13396656 has 80 divisors (see below), whose sum is σ = 42608384. Its totient is φ = 3532032.

The previous prime is 13396633. The next prime is 13396673. The reversal of 13396656 is 65669331.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2835 + ... + 5901.

Almost surely, 2^13396656 is an apocalyptic number.

13396656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13396656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21304192).

13396656 is an abundant number, since it is smaller than the sum of its proper divisors (29211728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13396656 is a wasteful number, since it uses less digits than its factorization.

13396656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098 (or 3092 counting only the distinct ones).

The product of its digits is 87480, while the sum is 39.

The square root of 13396656 is about 3660.1442594521. The cubic root of 13396656 is about 237.5010142154.

The spelling of 13396656 in words is "thirteen million, three hundred ninety-six thousand, six hundred fifty-six".