13136288 has 48 divisors (see below), whose sum is σ = 28685664. Its totient is φ = 5871360.

The previous prime is 13136267. The next prime is 13136293. The reversal of 13136288 is 88263131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23306 + ... + 23862.

It is an arithmetic number, because the mean of its divisors is an integer number (597618).

Almost surely, 2^13136288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13136288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14342832).

13136288 is an abundant number, since it is smaller than the sum of its proper divisors (15549376).

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

13136288 is a wasteful number, since it uses less digits than its factorization.

13136288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 637 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 13136288 is about 3624.4017437365. The cubic root of 13136288 is about 235.9523029146.

The spelling of 13136288 in words is "thirteen million, one hundred thirty-six thousand, two hundred eighty-eight".