13199967 has 24 divisors (see below), whose sum is σ = 20961408. Its totient is φ = 7938000.

The previous prime is 13199957. The next prime is 13199981. The reversal of 13199967 is 76999131.

It is not a de Polignac number, because 13199967 - 2⁴ = 13199951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13199917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14508 + ... + 15390.

It is an arithmetic number, because the mean of its divisors is an integer number (873392).

Almost surely, 2^13199967 is an apocalyptic number.

13199967 is a deficient number, since it is larger than the sum of its proper divisors (7761441).

13199967 is a wasteful number, since it uses less digits than its factorization.

13199967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1048 counting only the distinct ones).

The product of its digits is 91854, while the sum is 45.

The square root of 13199967 is about 3633.1758834386. The cubic root of 13199967 is about 236.3329531490.

The spelling of 13199967 in words is "thirteen million, one hundred ninety-nine thousand, nine hundred sixty-seven".