13306432 has 28 divisors (see below), whose sum is σ = 26540460. Its totient is φ = 6619136.

The previous prime is 13306429. The next prime is 13306439. The reversal of 13306432 is 23460331.

It can be written as a sum of positive squares in 2 ways, for example, as 12559936 + 746496 = 3544^2 + 864^2 .

It is a super-2 number, since 2×13306432² = 354122265141248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13306439) 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, 16044 + ... + 16852.

Almost surely, 2^13306432 is an apocalyptic number.

It is an amenable number.

13306432 is a deficient number, since it is larger than the sum of its proper divisors (13234028).

13306432 is an equidigital number, since it uses as much as digits as its factorization.

13306432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 13306432 is about 3647.7982400347. The cubic root of 13306432 is about 236.9666376392.

Adding to 13306432 its reverse (23460331), we get a palindrome (36766763).

The spelling of 13306432 in words is "thirteen million, three hundred six thousand, four hundred thirty-two".