14686642 has 4 divisors (see below), whose sum is σ = 22029966. Its totient is φ = 7343320.

The previous prime is 14686631. The next prime is 14686643. The reversal of 14686642 is 24668641.

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., 12187081 + 2499561 = 3491^2 + 1581^2 .

It is not an unprimeable number, because it can be changed into a prime (14686643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3671659 + ... + 3671662.

Almost surely, 2^14686642 is an apocalyptic number.

14686642 is a deficient number, since it is larger than the sum of its proper divisors (7343324).

14686642 is an equidigital number, since it uses as much as digits as its factorization.

14686642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343323.

The product of its digits is 55296, while the sum is 37.

The square root of 14686642 is about 3832.3154880568. The cubic root of 14686642 is about 244.8917583775.

The spelling of 14686642 in words is "fourteen million, six hundred eighty-six thousand, six hundred forty-two".