13600990 has 16 divisors (see below), whose sum is σ = 26365248. Its totient is φ = 5021856.

The previous prime is 13600967. The next prime is 13600999. The reversal of 13600990 is 9900631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13600999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52182 + ... + 52441.

It is an arithmetic number, because the mean of its divisors is an integer number (1647828).

Almost surely, 2^13600990 is an apocalyptic number.

13600990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13600990 is a deficient number, since it is larger than the sum of its proper divisors (12764258).

13600990 is a wasteful number, since it uses less digits than its factorization.

13600990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104643.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 13600990 is about 3687.9520061953. The cubic root of 13600990 is about 238.7024301487.

The spelling of 13600990 in words is "thirteen million, six hundred thousand, nine hundred ninety".