13093994 has 4 divisors (see below), whose sum is σ = 19640994. Its totient is φ = 6546996.

The previous prime is 13093931. The next prime is 13094009. The reversal of 13093994 is 49939031.

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., 12996025 + 97969 = 3605^2 + 313^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3273497 + ... + 3273500.

Almost surely, 2^13093994 is an apocalyptic number.

13093994 is a deficient number, since it is larger than the sum of its proper divisors (6547000).

13093994 is an equidigital number, since it uses as much as digits as its factorization.

13093994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6546999.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 13093994 is about 3618.5624217360. The cubic root of 13093994 is about 235.6988042130.

The spelling of 13093994 in words is "thirteen million, ninety-three thousand, nine hundred ninety-four".