12641365 has 16 divisors (see below), whose sum is σ = 17421120. Its totient is φ = 8709120.

The previous prime is 12641357. The next prime is 12641371. The reversal of 12641365 is 56314621.

It is not a de Polignac number, because 12641365 - 2³ = 12641357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5004 + ... + 7093.

It is an arithmetic number, because the mean of its divisors is an integer number (1088820).

Almost surely, 2^12641365 is an apocalyptic number.

It is an amenable number.

12641365 is a deficient number, since it is larger than the sum of its proper divisors (4779755).

12641365 is a wasteful number, since it uses less digits than its factorization.

12641365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12132.

The product of its digits is 4320, while the sum is 28.

The square root of 12641365 is about 3555.4697298669. The cubic root of 12641365 is about 232.9510417990.

Adding to 12641365 its reverse (56314621), we get a palindrome (68955986).

The spelling of 12641365 in words is "twelve million, six hundred forty-one thousand, three hundred sixty-five".