13136320 has 28 divisors (see below), whose sum is σ = 31281624. Its totient is φ = 5254400.

The previous prime is 13136317. The next prime is 13136323. The reversal of 13136320 is 2363131.

It is an interprime number because it is at equal distance from previous prime (13136317) and next prime (13136323).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13136323) 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, 20206 + ... + 20845.

Almost surely, 2^13136320 is an apocalyptic number.

13136320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13136320 is an abundant number, since it is smaller than the sum of its proper divisors (18145304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13136320 is an equidigital number, since it uses as much as digits as its factorization.

13136320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41068 (or 41058 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 13136320 is about 3624.4061582554. The cubic root of 13136320 is about 235.9524945078.

Adding to 13136320 its reverse (2363131), we get a palindrome (15499451).

It can be divided in two parts, 13136 and 320, that added together give a square (13456 = 116²).

The spelling of 13136320 in words is "thirteen million, one hundred thirty-six thousand, three hundred twenty".