13107938 has 4 divisors (see below), whose sum is σ = 19661910. Its totient is φ = 6553968.

The previous prime is 13107937. The next prime is 13107943. The reversal of 13107938 is 83970131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12020089 + 1087849 = 3467^2 + 1043^2 .

It is a super-2 number, since 2×13107938² = 343636077223688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13107937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3276983 + ... + 3276986.

Almost surely, 2^13107938 is an apocalyptic number.

13107938 is a deficient number, since it is larger than the sum of its proper divisors (6553972).

13107938 is an equidigital number, since it uses as much as digits as its factorization.

13107938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6553971.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13107938 is about 3620.4886410539. The cubic root of 13107938 is about 235.7824409850.

The spelling of 13107938 in words is "thirteen million, one hundred seven thousand, nine hundred thirty-eight".