13199128 has 16 divisors (see below), whose sum is σ = 24931080. Its totient is φ = 6550848.

The previous prime is 13199101. The next prime is 13199143. The reversal of 13199128 is 82199131.

It is a junction number, because it is equal to n+sod(n) for n = 13199093 and 13199102.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4926 + ... + 7117.

Almost surely, 2^13199128 is an apocalyptic number.

It is an amenable number.

13199128 is a deficient number, since it is larger than the sum of its proper divisors (11731952).

13199128 is a wasteful number, since it uses less digits than its factorization.

13199128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12186 (or 12182 counting only the distinct ones).

The product of its digits is 3888, while the sum is 34.

The square root of 13199128 is about 3633.0604178846. The cubic root of 13199128 is about 236.3279458752.

The spelling of 13199128 in words is "thirteen million, one hundred ninety-nine thousand, one hundred twenty-eight".