13900636 has 12 divisors (see below), whose sum is σ = 24738840. Its totient is φ = 6832400.

The previous prime is 13900633. The next prime is 13900637. The reversal of 13900636 is 63600931.

13900636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13900633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29215 + ... + 29686.

It is an arithmetic number, because the mean of its divisors is an integer number (2061570).

Almost surely, 2^13900636 is an apocalyptic number.

It is an amenable number.

13900636 is a deficient number, since it is larger than the sum of its proper divisors (10838204).

13900636 is a wasteful number, since it uses less digits than its factorization.

13900636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58964 (or 58962 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 13900636 is about 3728.3556697289. The cubic root of 13900636 is about 240.4426783512.

The spelling of 13900636 in words is "thirteen million, nine hundred thousand, six hundred thirty-six".