13500938 has 24 divisors (see below), whose sum is σ = 22752576. Its totient is φ = 6001160.

The previous prime is 13500937. The next prime is 13500943. The reversal of 13500938 is 83900531.

It is a self number, because there is not a number n which added to its sum of digits gives 13500938.

It is not an unprimeable number, because it can be changed into a prime (13500937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10781 + ... + 11967.

It is an arithmetic number, because the mean of its divisors is an integer number (948024).

Almost surely, 2^13500938 is an apocalyptic number.

13500938 is a deficient number, since it is larger than the sum of its proper divisors (9251638).

13500938 is a wasteful number, since it uses less digits than its factorization.

13500938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 13500938 is about 3674.3622575897. The cubic root of 13500938 is about 238.1156724164.

The spelling of 13500938 in words is "thirteen million, five hundred thousand, nine hundred thirty-eight".