13199867 has 2 divisors, whose sum is σ = 13199868. Its totient is φ = 13199866.

The previous prime is 13199863. The next prime is 13199887. The reversal of 13199867 is 76899131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13199867 - 2² = 13199863 is a prime.

It is not a weakly prime, because it can be changed into another prime (13199863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6599933 + 6599934.

It is an arithmetic number, because the mean of its divisors is an integer number (6599934).

Almost surely, 2^13199867 is an apocalyptic number.

13199867 is a deficient number, since it is larger than the sum of its proper divisors (1).

13199867 is an equidigital number, since it uses as much as digits as its factorization.

13199867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 44.

The square root of 13199867 is about 3633.1621213483. The cubic root of 13199867 is about 236.3323563457.

The spelling of 13199867 in words is "thirteen million, one hundred ninety-nine thousand, eight hundred sixty-seven".