13021132 has 6 divisors (see below), whose sum is σ = 22786988. Its totient is φ = 6510564.

The previous prime is 13021117. The next prime is 13021139. The reversal of 13021132 is 23112031.

It is a super-2 number, since 2×13021132² = 339099757122848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13021139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1627638 + ... + 1627645.

Almost surely, 2^13021132 is an apocalyptic number.

It is an amenable number.

13021132 is a deficient number, since it is larger than the sum of its proper divisors (9765856).

13021132 is a wasteful number, since it uses less digits than its factorization.

13021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255287 (or 3255285 counting only the distinct ones).

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

The square root of 13021132 is about 3608.4805666651. The cubic root of 13021132 is about 235.2608059655.

Adding to 13021132 its reverse (23112031), we get a palindrome (36133163).

The spelling of 13021132 in words is "thirteen million, twenty-one thousand, one hundred thirty-two".