13121032 has 16 divisors (see below), whose sum is σ = 24651900. Its totient is φ = 6547200.

The previous prime is 13120999. The next prime is 13121033. The reversal of 13121032 is 23012131.

It can be written as a sum of positive squares in 2 ways, for example, as 10278436 + 2842596 = 3206^2 + 1686^2 .

It is a super-2 number, since 2×13121032² = 344322961490048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13121033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3444 + ... + 6172.

Almost surely, 2^13121032 is an apocalyptic number.

It is an amenable number.

13121032 is a deficient number, since it is larger than the sum of its proper divisors (11530868).

13121032 is a wasteful number, since it uses less digits than its factorization.

13121032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336 (or 3332 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13121032 is about 3622.2965091224. The cubic root of 13121032 is about 235.8609254330.

Adding to 13121032 its reverse (23012131), we get a palindrome (36133163).

The spelling of 13121032 in words is "thirteen million, one hundred twenty-one thousand, thirty-two".