13136040 has 64 divisors (see below), whose sum is σ = 43790400. Its totient is φ = 3502656.

The previous prime is 13136029. The next prime is 13136047. The reversal of 13136040 is 4063131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13136047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5002 + ... + 7161.

It is an arithmetic number, because the mean of its divisors is an integer number (684225).

Almost surely, 2^13136040 is an apocalyptic number.

13136040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13136040 is an abundant number, since it is smaller than the sum of its proper divisors (30654360).

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

13136040 is a wasteful number, since it uses less digits than its factorization.

13136040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12183 (or 12173 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 13136040 is about 3624.3675310321. The cubic root of 13136040 is about 235.9508180573.

Adding to 13136040 its reverse (4063131), we get a palindrome (17199171).

The spelling of 13136040 in words is "thirteen million, one hundred thirty-six thousand, forty".