13256430346424 has 16 divisors (see below), whose sum is σ = 24855848158920. Its totient is φ = 6628204170720.

The previous prime is 13256430346421. The next prime is 13256430346427. The reversal of 13256430346424 is 42464303465231.

It is an interprime number because it is at equal distance from previous prime (13256430346421) and next prime (13256430346427).

It is a super-2 number, since 2×13256430346424² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13256430346421) 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, 6199319 + ... + 8058809.

Almost surely, 2^{13256430346424} is an apocalyptic number.

It is an amenable number.

13256430346424 is a deficient number, since it is larger than the sum of its proper divisors (11599417812496).

13256430346424 is a wasteful number, since it uses less digits than its factorization.

13256430346424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750630 (or 2750626 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 47.

The spelling of 13256430346424 in words is "thirteen trillion, two hundred fifty-six billion, four hundred thirty million, three hundred forty-six thousand, four hundred twenty-four".