13099825 has 12 divisors (see below), whose sum is σ = 16768768. Its totient is φ = 10141200.

The previous prime is 13099819. The next prime is 13099837. The reversal of 13099825 is 52899031.

It is a de Polignac number, because none of the positive numbers 2^k-13099825 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7677 + ... + 9226.

Almost surely, 2^13099825 is an apocalyptic number.

It is an amenable number.

13099825 is a deficient number, since it is larger than the sum of its proper divisors (3668943).

13099825 is a wasteful number, since it uses less digits than its factorization.

13099825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16944 (or 16939 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 13099825 is about 3619.3680387604. The cubic root of 13099825 is about 235.7337860469.

It can be divided in two parts, 13099 and 825, that added together give a square (13924 = 118²).

The spelling of 13099825 in words is "thirteen million, ninety-nine thousand, eight hundred twenty-five".