13078432 has 12 divisors (see below), whose sum is σ = 25748226. Its totient is φ = 6539200.

The previous prime is 13078411. The next prime is 13078433. The reversal of 13078432 is 23487031.

13078432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8042896 + 5035536 = 2836^2 + 2244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13078432.

It is not an unprimeable number, because it can be changed into a prime (13078433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204319 + ... + 204382.

Almost surely, 2^13078432 is an apocalyptic number.

It is an amenable number.

13078432 is a deficient number, since it is larger than the sum of its proper divisors (12669794).

13078432 is an equidigital number, since it uses as much as digits as its factorization.

13078432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408711 (or 408703 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 13078432 is about 3616.4114810126. The cubic root of 13078432 is about 235.6053924587.

It can be divided in two parts, 130784 and 32, that added together give a triangular number (130816 = T₅₁₁).

The spelling of 13078432 in words is "thirteen million, seventy-eight thousand, four hundred thirty-two".