13255982 has 4 divisors (see below), whose sum is σ = 19883976. Its totient is φ = 6627990.

The previous prime is 13255951. The next prime is 13255999. The reversal of 13255982 is 28955231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28955231 = 73 ⋅396647.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3313994 + ... + 3313997.

It is an arithmetic number, because the mean of its divisors is an integer number (4970994).

Almost surely, 2^13255982 is an apocalyptic number.

13255982 is a deficient number, since it is larger than the sum of its proper divisors (6627994).

13255982 is an equidigital number, since it uses as much as digits as its factorization.

13255982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6627993.

The product of its digits is 21600, while the sum is 35.

The square root of 13255982 is about 3640.8765428122. The cubic root of 13255982 is about 236.6667799598. Note that the first 3 decimals are identical.

The spelling of 13255982 in words is "thirteen million, two hundred fifty-five thousand, nine hundred eighty-two".