13167989 has 4 divisors (see below), whose sum is σ = 13268640. Its totient is φ = 13067340.

The previous prime is 13167977. The next prime is 13167991. The reversal of 13167989 is 98976131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13167989 - 2⁸ = 13167733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13167919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50129 + ... + 50390.

It is an arithmetic number, because the mean of its divisors is an integer number (3317160).

Almost surely, 2^13167989 is an apocalyptic number.

It is an amenable number.

13167989 is a deficient number, since it is larger than the sum of its proper divisors (100651).

13167989 is a wasteful number, since it uses less digits than its factorization.

13167989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100650.

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

The square root of 13167989 is about 3628.7723819496. The cubic root of 13167989 is about 236.1419535237.

The spelling of 13167989 in words is "thirteen million, one hundred sixty-seven thousand, nine hundred eighty-nine".