13568490 has 48 divisors (see below), whose sum is σ = 37995048. Its totient is φ = 3339648.

The previous prime is 13568473. The next prime is 13568497. The reversal of 13568490 is 9486531.

13568490 is a `hidden beast` number, since 1 + 3 + 568 + 4 + 90 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11068929 + 2499561 = 3327^2 + 1581^2 .

It is not an unprimeable number, because it can be changed into a prime (13568497) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4629 + ... + 6968.

Almost surely, 2^13568490 is an apocalyptic number.

13568490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13568490 is an abundant number, since it is smaller than the sum of its proper divisors (24426558).

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

13568490 is a wasteful number, since it uses less digits than its factorization.

13568490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11623 (or 11620 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 13568490 is about 3683.5431312800. The cubic root of 13568490 is about 238.5121494806.

The spelling of 13568490 in words is "thirteen million, five hundred sixty-eight thousand, four hundred ninety".