14913993 has 24 divisors (see below), whose sum is σ = 21506688. Its totient is φ = 9187488.

The previous prime is 14913989. The next prime is 14914001. The reversal of 14913993 is 39931941.

14913993 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14913993 - 2² = 14913989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14913953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50755 + ... + 51047.

It is an arithmetic number, because the mean of its divisors is an integer number (896112).

Almost surely, 2^14913993 is an apocalyptic number.

It is an amenable number.

14913993 is a deficient number, since it is larger than the sum of its proper divisors (6592695).

14913993 is a wasteful number, since it uses less digits than its factorization.

14913993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 362 counting only the distinct ones).

The product of its digits is 26244, while the sum is 39.

The square root of 14913993 is about 3861.8639282088. The cubic root of 14913993 is about 246.1489447667.

The spelling of 14913993 in words is "fourteen million, nine hundred thirteen thousand, nine hundred ninety-three".