13199438 has 16 divisors (see below), whose sum is σ = 23055840. Its totient is φ = 5549856.

The previous prime is 13199423. The next prime is 13199443. The reversal of 13199438 is 83499131.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 8153 + ... + 9636.

It is an arithmetic number, because the mean of its divisors is an integer number (1440990).

Almost surely, 2^13199438 is an apocalyptic number.

13199438 is a deficient number, since it is larger than the sum of its proper divisors (9856402).

13199438 is a wasteful number, since it uses less digits than its factorization.

13199438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17851.

The product of its digits is 23328, while the sum is 38.

The square root of 13199438 is about 3633.1030813892. The cubic root of 13199438 is about 236.3297960249.

The spelling of 13199438 in words is "thirteen million, one hundred ninety-nine thousand, four hundred thirty-eight".