13133288 has 32 divisors (see below), whose sum is σ = 29116800. Its totient is φ = 5433792.

The previous prime is 13133279. The next prime is 13133291. The reversal of 13133288 is 88233131.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 13133288.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2420 + ... + 5667.

It is an arithmetic number, because the mean of its divisors is an integer number (909900).

Almost surely, 2^13133288 is an apocalyptic number.

It is an amenable number.

13133288 is an abundant number, since it is smaller than the sum of its proper divisors (15983512).

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

13133288 is a wasteful number, since it uses less digits than its factorization.

13133288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8129 (or 8125 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 13133288 is about 3623.9878586993. The cubic root of 13133288 is about 235.9343396767.

The spelling of 13133288 in words is "thirteen million, one hundred thirty-three thousand, two hundred eighty-eight".