13213432 has 16 divisors (see below), whose sum is σ = 24929640. Its totient is φ = 6565536.

The previous prime is 13213423. The next prime is 13213441. The reversal of 13213432 is 23431231.

It is an interprime number because it is at equal distance from previous prime (13213423) and next prime (13213441).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3763 + ... + 6370.

Almost surely, 2^13213432 is an apocalyptic number.

It is an amenable number.

13213432 is a deficient number, since it is larger than the sum of its proper divisors (11716208).

13213432 is a wasteful number, since it uses less digits than its factorization.

13213432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10302 (or 10298 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 13213432 is about 3635.0284730659. The cubic root of 13213432 is about 236.4132852132.

Adding to 13213432 its reverse (23431231), we get a palindrome (36644663).

It can be divided in two parts, 1321 and 3432, that added together give a triangular number (4753 = T₉₇).

The spelling of 13213432 in words is "thirteen million, two hundred thirteen thousand, four hundred thirty-two".