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13413320 = 235714723
BaseRepresentation
bin110011001010…
…101111001000
3221020110121122
4303022233020
511413211240
61155254412
7222003614
oct63125710
927213548
1013413320
117631698
1245aa408
132a1839b
141ad2344
15129e4b5
hexccabc8

13413320 has 32 divisors (see below), whose sum is σ = 30611520. Its totient is φ = 5288640.

The previous prime is 13413319. The next prime is 13413329. The reversal of 13413320 is 2331431.

It is a happy number.

13413320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13413329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479 + ... + 5201.

It is an arithmetic number, because the mean of its divisors is an integer number (956610).

Almost surely, 213413320 is an apocalyptic number.

13413320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13413320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15305760).

13413320 is an abundant number, since it is smaller than the sum of its proper divisors (17198200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13413320 is a wasteful number, since it uses less digits than its factorization.

13413320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805 (or 4801 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13413320 is about 3662.4199649958. The cubic root of 13413320 is about 237.5994486566.

Adding to 13413320 its reverse (2331431), we get a palindrome (15744751).

The spelling of 13413320 in words is "thirteen million, four hundred thirteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 71 142 284 355 568 710 1420 2840 4723 9446 18892 23615 37784 47230 94460 188920 335333 670666 1341332 1676665 2682664 3353330 6706660 13413320