13430624 has 24 divisors (see below), whose sum is σ = 26943840. Its totient is φ = 6587776.

The previous prime is 13430617. The next prime is 13430633. The reversal of 13430624 is 42603431.

It is a happy number.

It is a super-2 number, since 2×13430624² = 360763322058752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13430624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2264 + ... + 5655.

It is an arithmetic number, because the mean of its divisors is an integer number (1122660).

Almost surely, 2^13430624 is an apocalyptic number.

It is an amenable number.

13430624 is an abundant number, since it is smaller than the sum of its proper divisors (13513216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13430624 is an equidigital number, since it uses as much as digits as its factorization.

13430624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7982 (or 7974 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 13430624 is about 3664.7815760288. The cubic root of 13430624 is about 237.7015773399.

The spelling of 13430624 in words is "thirteen million, four hundred thirty thousand, six hundred twenty-four".