13490656 has 24 divisors (see below), whose sum is σ = 28123200. Its totient is φ = 6348288.

The previous prime is 13490641. The next prime is 13490657. The reversal of 13490656 is 65609431.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13490657) 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 3 ways as a sum of consecutive naturals, for example, 11856 + ... + 12943.

It is an arithmetic number, because the mean of its divisors is an integer number (1171800).

Almost surely, 2^13490656 is an apocalyptic number.

13490656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13490656 is an abundant number, since it is smaller than the sum of its proper divisors (14632544).

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

13490656 is a wasteful number, since it uses less digits than its factorization.

13490656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24826 (or 24818 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 13490656 is about 3672.9628367300. The cubic root of 13490656 is about 238.0552092809.

The spelling of 13490656 in words is "thirteen million, four hundred ninety thousand, six hundred fifty-six".