13975938 has 24 divisors (see below), whose sum is σ = 32063148. Its totient is φ = 4384512.

The previous prime is 13975933. The next prime is 13975943. The reversal of 13975938 is 83957931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13975933) and next prime (13975943).

It can be written as a sum of positive squares in 2 ways, for example, as 11716929 + 2259009 = 3423^2 + 1503^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13975893 and 13975902.

It is not an unprimeable number, because it can be changed into a prime (13975933) 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, 22531 + ... + 23142.

Almost surely, 2^13975938 is an apocalyptic number.

13975938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13975938 is an abundant number, since it is smaller than the sum of its proper divisors (18087210).

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

13975938 is a wasteful number, since it uses less digits than its factorization.

13975938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45698 (or 45695 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 13975938 is about 3738.4405839869. The cubic root of 13975938 is about 240.8760690382.

The spelling of 13975938 in words is "thirteen million, nine hundred seventy-five thousand, nine hundred thirty-eight".