13164891 has 16 divisors (see below), whose sum is σ = 18743040. Its totient is φ = 8195040.

The previous prime is 13164887. The next prime is 13164973. The reversal of 13164891 is 19846131.

13164891 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13164891 - 2² = 13164887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13164821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2421 + ... + 5673.

It is an arithmetic number, because the mean of its divisors is an integer number (1171440).

Almost surely, 2^13164891 is an apocalyptic number.

13164891 is a deficient number, since it is larger than the sum of its proper divisors (5578149).

13164891 is a wasteful number, since it uses less digits than its factorization.

13164891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3346.

The product of its digits is 5184, while the sum is 33.

The square root of 13164891 is about 3628.3454907161. The cubic root of 13164891 is about 236.1234332280.

The spelling of 13164891 in words is "thirteen million, one hundred sixty-four thousand, eight hundred ninety-one".