13182986 has 4 divisors (see below), whose sum is σ = 19774482. Its totient is φ = 6591492.

The previous prime is 13182977. The next prime is 13183003. The reversal of 13182986 is 68928131.

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., 10764961 + 2418025 = 3281^2 + 1555^2 .

It is a super-2 number, since 2×13182986² = 347582239752392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3295745 + ... + 3295748.

Almost surely, 2^13182986 is an apocalyptic number.

13182986 is a deficient number, since it is larger than the sum of its proper divisors (6591496).

13182986 is an equidigital number, since it uses as much as digits as its factorization.

13182986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6591495.

The product of its digits is 20736, while the sum is 38.

The square root of 13182986 is about 3630.8381952381. The cubic root of 13182986 is about 236.2315667336.

The spelling of 13182986 in words is "thirteen million, one hundred eighty-two thousand, nine hundred eighty-six".