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13072372 = 2223151941
BaseRepresentation
bin110001110111…
…011111110100
3220121010220221
4301313133310
511321303442
61144104124
7216053605
oct61673764
926533827
1013072372
117419515
124465044
132929141
141a43dac
151233467
hexc777f4

13072372 has 24 divisors (see below), whose sum is σ = 24054912. Its totient is φ = 6204000.

The previous prime is 13072369. The next prime is 13072373. The reversal of 13072372 is 27327031.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13072373) 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, 13422 + ... + 14362.

It is an arithmetic number, because the mean of its divisors is an integer number (1002288).

Almost surely, 213072372 is an apocalyptic number.

It is an amenable number.

13072372 is a deficient number, since it is larger than the sum of its proper divisors (10982540).

13072372 is a wasteful number, since it uses less digits than its factorization.

13072372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 13072372 is about 3615.5735367988. The cubic root of 13072372 is about 235.5689969322.

The spelling of 13072372 in words is "thirteen million, seventy-two thousand, three hundred seventy-two".

Divisors: 1 2 4 23 46 92 151 302 604 941 1882 3473 3764 6946 13892 21643 43286 86572 142091 284182 568364 3268093 6536186 13072372