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13360072 = 2311157967
BaseRepresentation
bin110010111101…
…101111001000
3221010202120111
4302331233020
511410010242
61154204104
7221362435
oct62755710
927122514
1013360072
1175a5690
124583634
1329ca08b
141abab8c
15128d817
hexcbdbc8

13360072 has 32 divisors (see below), whose sum is σ = 27529920. Its totient is φ = 6027840.

The previous prime is 13360051. The next prime is 13360073. The reversal of 13360072 is 27006331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (13360073) 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, 13333 + ... + 14299.

It is an arithmetic number, because the mean of its divisors is an integer number (860310).

Almost surely, 213360072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13360072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13764960).

13360072 is an abundant number, since it is smaller than the sum of its proper divisors (14169848).

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

13360072 is a wasteful number, since it uses less digits than its factorization.

13360072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 13360072 is about 3655.1432256479. The cubic root of 13360072 is about 237.2846254320.

The spelling of 13360072 in words is "thirteen million, three hundred sixty thousand, seventy-two".

Divisors: 1 2 4 8 11 22 44 88 157 314 628 967 1256 1727 1934 3454 3868 6908 7736 10637 13816 21274 42548 85096 151819 303638 607276 1214552 1670009 3340018 6680036 13360072