13657996 has 18 divisors (see below), whose sum is σ = 26272820. Its totient is φ = 6207960.

The previous prime is 13657993. The next prime is 13657999. The reversal of 13657996 is 69975631.

It is an interprime number because it is at equal distance from previous prime (13657993) and next prime (13657999).

It is not an unprimeable number, because it can be changed into a prime (13657993) 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 5 ways as a sum of consecutive naturals, for example, 13626 + ... + 14593.

Almost surely, 2^13657996 is an apocalyptic number.

It is an amenable number.

13657996 is a deficient number, since it is larger than the sum of its proper divisors (12614824).

13657996 is a wasteful number, since it uses less digits than its factorization.

13657996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28245 (or 28232 counting only the distinct ones).

The product of its digits is 306180, while the sum is 46.

The square root of 13657996 is about 3695.6726045471. The cubic root of 13657996 is about 239.0354574705.

The spelling of 13657996 in words is "thirteen million, six hundred fifty-seven thousand, nine hundred ninety-six".