13213832 has 16 divisors (see below), whose sum is σ = 24883200. Its totient is φ = 6578320.

The previous prime is 13213831. The next prime is 13213841. The reversal of 13213832 is 23831231.

It is a super-2 number, since 2×13213832² = 349210712248448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13213798 and 13213807.

It is not an unprimeable number, because it can be changed into a prime (13213831) 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, 1544 + ... + 5367.

It is an arithmetic number, because the mean of its divisors is an integer number (1555200).

Almost surely, 2^13213832 is an apocalyptic number.

It is an amenable number.

13213832 is a deficient number, since it is larger than the sum of its proper divisors (11669368).

13213832 is a wasteful number, since it uses less digits than its factorization.

13213832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156 (or 7152 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 13213832 is about 3635.0834928513. The cubic root of 13213832 is about 236.4156707746.

The spelling of 13213832 in words is "thirteen million, two hundred thirteen thousand, eight hundred thirty-two".