13875982 has 8 divisors (see below), whose sum is σ = 20837952. Its totient is φ = 6930000.

The previous prime is 13875977. The next prime is 13875989. The reversal of 13875982 is 28957831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13875989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1519 + ... + 5482.

It is an arithmetic number, because the mean of its divisors is an integer number (2604744).

Almost surely, 2^13875982 is an apocalyptic number.

13875982 is a deficient number, since it is larger than the sum of its proper divisors (6961970).

13875982 is an equidigital number, since it uses as much as digits as its factorization.

13875982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7994.

The product of its digits is 120960, while the sum is 43.

The square root of 13875982 is about 3725.0479191549. The cubic root of 13875982 is about 240.3004454878.

The spelling of 13875982 in words is "thirteen million, eight hundred seventy-five thousand, nine hundred eighty-two".