13012432 has 10 divisors (see below), whose sum is σ = 25211618. Its totient is φ = 6506208.

The previous prime is 13012427. The next prime is 13012471. The reversal of 13012432 is 23421031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8785296 + 4227136 = 2964^2 + 2056^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 813277 = 13012432 / (1 + 3 + 0 + 1 + 2 + 4 + 3 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406623 + ... + 406654.

Almost surely, 2^13012432 is an apocalyptic number.

It is an amenable number.

13012432 is a deficient number, since it is larger than the sum of its proper divisors (12199186).

13012432 is an equidigital number, since it uses as much as digits as its factorization.

13012432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813285 (or 813279 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13012432 is about 3607.2748717002. The cubic root of 13012432 is about 235.2083982069.

Adding to 13012432 its reverse (23421031), we get a palindrome (36433463).

The spelling of 13012432 in words is "thirteen million, twelve thousand, four hundred thirty-two".