13000432 has 10 divisors (see below), whose sum is σ = 25188368. Its totient is φ = 6500208.

The previous prime is 13000411. The next prime is 13000457. The reversal of 13000432 is 23400031.

It is a super-2 number, since 2×13000432² = 338022464373248, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 406248 + ... + 406279.

Almost surely, 2^13000432 is an apocalyptic number.

It is an amenable number.

13000432 is a deficient number, since it is larger than the sum of its proper divisors (12187936).

13000432 is an equidigital number, since it uses as much as digits as its factorization.

13000432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812535 (or 812529 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 13000432 is about 3605.6111825875. The cubic root of 13000432 is about 235.1360732986.

Adding to 13000432 its reverse (23400031), we get a palindrome (36400463).

The spelling of 13000432 in words is "thirteen million, four hundred thirty-two", and thus it is an aban number.