13911682 has 4 divisors (see below), whose sum is σ = 20867526. Its totient is φ = 6955840.

The previous prime is 13911659. The next prime is 13911691. The reversal of 13911682 is 28611931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28611931 = 23 ⋅1243997.

It can be written as a sum of positive squares in only one way, i.e., 13905441 + 6241 = 3729^2 + 79^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3477919 + ... + 3477922.

Almost surely, 2^13911682 is an apocalyptic number.

13911682 is a deficient number, since it is larger than the sum of its proper divisors (6955844).

13911682 is an equidigital number, since it uses as much as digits as its factorization.

13911682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955843.

The product of its digits is 2592, while the sum is 31.

The square root of 13911682 is about 3729.8367256490. The cubic root of 13911682 is about 240.5063499374.

The spelling of 13911682 in words is "thirteen million, nine hundred eleven thousand, six hundred eighty-two".