13136844 has 48 divisors (see below), whose sum is σ = 35856128. Its totient is φ = 3665088.

The previous prime is 13136843. The next prime is 13136857. The reversal of 13136844 is 44863131.

13136844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13136843) 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, 1794 + ... + 5430.

Almost surely, 2^13136844 is an apocalyptic number.

13136844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13136844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17928064).

13136844 is an abundant number, since it is smaller than the sum of its proper divisors (22719284).

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

13136844 is a wasteful number, since it uses less digits than its factorization.

13136844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694 (or 3692 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 13136844 is about 3624.4784452387. The cubic root of 13136844 is about 235.9556318010.

Adding to 13136844 its reverse (44863131), we get a palindrome (57999975).

The spelling of 13136844 in words is "thirteen million, one hundred thirty-six thousand, eight hundred forty-four".