13012528 has 10 divisors (see below), whose sum is σ = 25211804. Its totient is φ = 6506256.

The previous prime is 13012523. The next prime is 13012543. The reversal of 13012528 is 82521031.

It is a junction number, because it is equal to n+sod(n) for n = 13012499 and 13012508.

It is not an unprimeable number, because it can be changed into a prime (13012523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406626 + ... + 406657.

Almost surely, 2^13012528 is an apocalyptic number.

It is an amenable number.

13012528 is a deficient number, since it is larger than the sum of its proper divisors (12199276).

13012528 is an equidigital number, since it uses as much as digits as its factorization.

13012528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813291 (or 813285 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 13012528 is about 3607.2881781194. The cubic root of 13012528 is about 235.2089766269.

Adding to 13012528 its reverse (82521031), we get a palindrome (95533559).

The spelling of 13012528 in words is "thirteen million, twelve thousand, five hundred twenty-eight".