13064889 has 4 divisors (see below), whose sum is σ = 17419856. Its totient is φ = 8709924.

The previous prime is 13064879. The next prime is 13064899. The reversal of 13064889 is 98846031.

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 an interprime number because it is at equal distance from previous prime (13064879) and next prime (13064899).

It is not a de Polignac number, because 13064889 - 2⁸ = 13064633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13064879) 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, 2177479 + ... + 2177484.

It is an arithmetic number, because the mean of its divisors is an integer number (4354964).

Almost surely, 2^13064889 is an apocalyptic number.

It is an amenable number.

13064889 is a deficient number, since it is larger than the sum of its proper divisors (4354967).

13064889 is an equidigital number, since it uses as much as digits as its factorization.

13064889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354966.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 13064889 is about 3614.5385597611. The cubic root of 13064889 is about 235.5240395400.

The spelling of 13064889 in words is "thirteen million, sixty-four thousand, eight hundred eighty-nine".