13393953 has 24 divisors (see below), whose sum is σ = 20324096. Its totient is φ = 8488800.

The previous prime is 13393949. The next prime is 13393957. The reversal of 13393953 is 35939331.

It is an interprime number because it is at equal distance from previous prime (13393949) and next prime (13393957).

It is not a de Polignac number, because 13393953 - 2² = 13393949 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13393957) 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, 16626 + ... + 17412.

Almost surely, 2^13393953 is an apocalyptic number.

It is an amenable number.

13393953 is a deficient number, since it is larger than the sum of its proper divisors (6930143).

13393953 is a wasteful number, since it uses less digits than its factorization.

13393953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 882 counting only the distinct ones).

The product of its digits is 32805, while the sum is 36.

The square root of 13393953 is about 3659.7749930836. The cubic root of 13393953 is about 237.4850398702.

The spelling of 13393953 in words is "thirteen million, three hundred ninety-three thousand, nine hundred fifty-three".