14811994 has 4 divisors (see below), whose sum is σ = 22217994. Its totient is φ = 7405996.

The previous prime is 14811991. The next prime is 14812019. The reversal of 14811994 is 49911841.

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., 12694969 + 2117025 = 3563^2 + 1455^2 .

It is not an unprimeable number, because it can be changed into a prime (14811991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3702997 + ... + 3703000.

Almost surely, 2^14811994 is an apocalyptic number.

14811994 is a deficient number, since it is larger than the sum of its proper divisors (7406000).

14811994 is an equidigital number, since it uses as much as digits as its factorization.

14811994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7405999.

The product of its digits is 10368, while the sum is 37.

The square root of 14811994 is about 3848.6353425597. The cubic root of 14811994 is about 245.5865109640.

The spelling of 14811994 in words is "fourteen million, eight hundred eleven thousand, nine hundred ninety-four".