12965413 has 4 divisors (see below), whose sum is σ = 12972780. Its totient is φ = 12958048.

The previous prime is 12965383. The next prime is 12965417. The reversal of 12965413 is 31456921.

12965413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31456921 = 103 ⋅305407.

It can be written as a sum of positive squares in 2 ways, for example, as 10252804 + 2712609 = 3202^2 + 1647^2 .

It is a cyclic number.

It is not a de Polignac number, because 12965413 - 2⁹ = 12964901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12965417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681 + ... + 5137.

It is an arithmetic number, because the mean of its divisors is an integer number (3243195).

Almost surely, 2^12965413 is an apocalyptic number.

It is an amenable number.

12965413 is a deficient number, since it is larger than the sum of its proper divisors (7367).

12965413 is an equidigital number, since it uses as much as digits as its factorization.

12965413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7366.

The product of its digits is 6480, while the sum is 31.

The square root of 12965413 is about 3600.7517270703. The cubic root of 12965413 is about 234.9247563543.

The spelling of 12965413 in words is "twelve million, nine hundred sixty-five thousand, four hundred thirteen".