13369856 has 20 divisors (see below), whose sum is σ = 26714622. Its totient is φ = 6684672.

The previous prime is 13369849. The next prime is 13369859. The reversal of 13369856 is 65896331.

It can be written as a sum of positive squares in only one way, i.e., 10758400 + 2611456 = 3280^2 + 1616^2 .

It is not an unprimeable number, because it can be changed into a prime (13369859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12545 + ... + 13568.

Almost surely, 2^13369856 is an apocalyptic number.

13369856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13369856 is a deficient number, since it is larger than the sum of its proper divisors (13344766).

13369856 is an frugal number, since it uses more digits than its factorization.

13369856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26131 (or 26115 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 13369856 is about 3656.4813687478. The cubic root of 13369856 is about 237.3425349572.

The spelling of 13369856 in words is "thirteen million, three hundred sixty-nine thousand, eight hundred fifty-six".