13420752 has 40 divisors (see below), whose sum is σ = 36711936. Its totient is φ = 4210176.

The previous prime is 13420747. The next prime is 13420801. The reversal of 13420752 is 25702431.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7408 + ... + 9039.

Almost surely, 2^13420752 is an apocalyptic number.

13420752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13420752 is an abundant number, since it is smaller than the sum of its proper divisors (23291184).

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

13420752 is a wasteful number, since it uses less digits than its factorization.

13420752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16475 (or 16469 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 13420752 is about 3663.4344541700. The cubic root of 13420752 is about 237.6433232794.

The spelling of 13420752 in words is "thirteen million, four hundred twenty thousand, seven hundred fifty-two".