13136432 has 10 divisors (see below), whose sum is σ = 25451868. Its totient is φ = 6568208.

The previous prime is 13136413. The next prime is 13136447. The reversal of 13136432 is 23463131.

It is a junction number, because it is equal to n+sod(n) for n = 13136398 and 13136407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410498 + ... + 410529.

Almost surely, 2^13136432 is an apocalyptic number.

It is an amenable number.

13136432 is a deficient number, since it is larger than the sum of its proper divisors (12315436).

13136432 is an equidigital number, since it uses as much as digits as its factorization.

13136432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821035 (or 821029 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 13136432 is about 3624.4216090295. The cubic root of 13136432 is about 235.9531650813.

Adding to 13136432 its reverse (23463131), we get a palindrome (36599563).

It can be divided in two parts, 131 and 36432, that added together give a palindrome (36563).

The spelling of 13136432 in words is "thirteen million, one hundred thirty-six thousand, four hundred thirty-two".