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12325391 = 1317431297
BaseRepresentation
bin101111000001…
…001000001111
3212012012020222
4233001020033
511123403031
61120101555
7206523041
oct57011017
925165228
1012325391
116a59281
1241648bb
132727140
1418cba91
151136e7b
hexbc120f

12325391 has 16 divisors (see below), whose sum is σ = 14392224. Its totient is φ = 10450944.

The previous prime is 12325381. The next prime is 12325399. The reversal of 12325391 is 19352321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12325391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12325391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12325399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8855 + ... + 10151.

It is an arithmetic number, because the mean of its divisors is an integer number (899514).

Almost surely, 212325391 is an apocalyptic number.

12325391 is a deficient number, since it is larger than the sum of its proper divisors (2066833).

12325391 is a wasteful number, since it uses less digits than its factorization.

12325391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370.

The product of its digits is 1620, while the sum is 26.

The square root of 12325391 is about 3510.7536227995. The cubic root of 12325391 is about 230.9937530716.

The spelling of 12325391 in words is "twelve million, three hundred twenty-five thousand, three hundred ninety-one".

Divisors: 1 13 17 43 221 559 731 1297 9503 16861 22049 55771 286637 725023 948107 12325391