13121296 has 20 divisors (see below), whose sum is σ = 25595584. Its totient is φ = 6516000.

The previous prime is 13121291. The next prime is 13121309. The reversal of 13121296 is 69212131.

It is a self number, because there is not a number n which added to its sum of digits gives 13121296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300 + ... + 5131.

Almost surely, 2^13121296 is an apocalyptic number.

13121296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13121296 is a deficient number, since it is larger than the sum of its proper divisors (12474288).

13121296 is a wasteful number, since it uses less digits than its factorization.

13121296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5590 (or 5584 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 13121296 is about 3622.3329499095. The cubic root of 13121296 is about 235.8625072919.

The spelling of 13121296 in words is "thirteen million, one hundred twenty-one thousand, two hundred ninety-six".