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13201412 = 2273167227
BaseRepresentation
bin110010010111…
…000000000100
3220211200221012
4302113000010
511334421122
61150541352
7220132040
oct62270004
926750835
1013201412
1174a7464
124507858
132972ab3
141a79020
15125b7e2
hexc97004

13201412 has 48 divisors (see below), whose sum is σ = 27783168. Its totient is φ = 5369760.

The previous prime is 13201411. The next prime is 13201417. The reversal of 13201412 is 21410231.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (13201411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58043 + ... + 58269.

It is an arithmetic number, because the mean of its divisors is an integer number (578816).

Almost surely, 213201412 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 13201412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13891584).

13201412 is an abundant number, since it is smaller than the sum of its proper divisors (14581756).

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

13201412 is a wasteful number, since it uses less digits than its factorization.

13201412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 13201412 is about 3633.3747398252. The cubic root of 13201412 is about 236.3415766215.

Adding to 13201412 its reverse (21410231), we get a palindrome (34611643).

The spelling of 13201412 in words is "thirteen million, two hundred one thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 31 62 67 124 134 217 227 268 434 454 469 868 908 938 1589 1876 2077 3178 4154 6356 7037 8308 14074 14539 15209 28148 29078 30418 49259 58156 60836 98518 106463 197036 212926 425852 471479 942958 1885916 3300353 6600706 13201412