12356413 has 4 divisors (see below), whose sum is σ = 12400668. Its totient is φ = 12312160.

The previous prime is 12356411. The next prime is 12356417. The reversal of 12356413 is 31465321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7171684 + 5184729 = 2678^2 + 2277^2 .

It is a cyclic number.

It is not a de Polignac number, because 12356413 - 2¹ = 12356411 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 (12356411) 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, 21706 + ... + 22267.

It is an arithmetic number, because the mean of its divisors is an integer number (3100167).

Almost surely, 2^12356413 is an apocalyptic number.

It is an amenable number.

12356413 is a deficient number, since it is larger than the sum of its proper divisors (44255).

12356413 is an equidigital number, since it uses as much as digits as its factorization.

12356413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44254.

The product of its digits is 2160, while the sum is 25.

The square root of 12356413 is about 3515.1689859806. The cubic root of 12356413 is about 231.1873881624.

It can be divided in two parts, 12356 and 413, that added together give a square (12769 = 113²).

The spelling of 12356413 in words is "twelve million, three hundred fifty-six thousand, four hundred thirteen".