13490788 has 12 divisors (see below), whose sum is σ = 24635520. Its totient is φ = 6452072.

The previous prime is 13490767. The next prime is 13490791. The reversal of 13490788 is 88709431.

It is a self number, because there is not a number n which added to its sum of digits gives 13490788.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73228 + ... + 73411.

It is an arithmetic number, because the mean of its divisors is an integer number (2052960).

Almost surely, 2^13490788 is an apocalyptic number.

It is an amenable number.

13490788 is a deficient number, since it is larger than the sum of its proper divisors (11144732).

13490788 is a wasteful number, since it uses less digits than its factorization.

13490788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146666 (or 146664 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 13490788 is about 3672.9808058306. The cubic root of 13490788 is about 238.0559856994.

The spelling of 13490788 in words is "thirteen million, four hundred ninety thousand, seven hundred eighty-eight".