13393938 has 8 divisors (see below), whose sum is σ = 26787888. Its totient is φ = 4464644.

The previous prime is 13393927. The next prime is 13393949. The reversal of 13393938 is 83939331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13393927) and next prime (13393949).

It is a sphenic number, since it is the product of 3 distinct primes.

13393938 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13393896 and 13393905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116156 + ... + 1116167.

It is an arithmetic number, because the mean of its divisors is an integer number (3348486).

Almost surely, 2^13393938 is an apocalyptic number.

13393938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13393938 is a wasteful number, since it uses less digits than its factorization.

13393938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232328.

The product of its digits is 52488, while the sum is 39.

The square root of 13393938 is about 3659.7729437767. The cubic root of 13393938 is about 237.4849512164.

The spelling of 13393938 in words is "thirteen million, three hundred ninety-three thousand, nine hundred thirty-eight".