13993796 has 12 divisors (see below), whose sum is σ = 24517500. Its totient is φ = 6988800.

The previous prime is 13993789. The next prime is 13993799. The reversal of 13993796 is 69739931.

It can be written as a sum of positive squares in 2 ways, for example, as 6431296 + 7562500 = 2536^2 + 2750^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13993796.

It is not an unprimeable number, because it can be changed into a prime (13993799) 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 in 3 ways as a sum of consecutive naturals, for example, 3596 + ... + 6396.

It is an arithmetic number, because the mean of its divisors is an integer number (2043125).

Almost surely, 2^13993796 is an apocalyptic number.

It is an amenable number.

13993796 is a deficient number, since it is larger than the sum of its proper divisors (10523704).

13993796 is a wasteful number, since it uses less digits than its factorization.

13993796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054 (or 4052 counting only the distinct ones).

The product of its digits is 275562, while the sum is 47.

The square root of 13993796 is about 3740.8282505349. The cubic root of 13993796 is about 240.9786199131.

The spelling of 13993796 in words is "thirteen million, nine hundred ninety-three thousand, seven hundred ninety-six".