13668794 has 4 divisors (see below), whose sum is σ = 20503194. Its totient is φ = 6834396.

The previous prime is 13668793. The next prime is 13668827. The reversal of 13668794 is 49786631.

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., 12924025 + 744769 = 3595^2 + 863^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13668793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3417197 + ... + 3417200.

Almost surely, 2^13668794 is an apocalyptic number.

13668794 is a deficient number, since it is larger than the sum of its proper divisors (6834400).

13668794 is an equidigital number, since it uses as much as digits as its factorization.

13668794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6834399.

The product of its digits is 217728, while the sum is 44.

The square root of 13668794 is about 3697.1332137211. The cubic root of 13668794 is about 239.0984346199.

The spelling of 13668794 in words is "thirteen million, six hundred sixty-eight thousand, seven hundred ninety-four".