13328456 has 16 divisors (see below), whose sum is σ = 25175340. Its totient is φ = 6615040.

The previous prime is 13328449. The next prime is 13328461. The reversal of 13328456 is 65482331.

It can be written as a sum of positive squares in 2 ways, for example, as 13205956 + 122500 = 3634^2 + 350^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4985 + ... + 7176.

Almost surely, 2^13328456 is an apocalyptic number.

It is an amenable number.

13328456 is a deficient number, since it is larger than the sum of its proper divisors (11846884).

13328456 is a wasteful number, since it uses less digits than its factorization.

13328456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12304 (or 12300 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 13328456 is about 3650.8157992427. The cubic root of 13328456 is about 237.0973031826.

The spelling of 13328456 in words is "thirteen million, three hundred twenty-eight thousand, four hundred fifty-six".