13376989 has 2 divisors, whose sum is σ = 13376990. Its totient is φ = 13376988.

The previous prime is 13376983. The next prime is 13377047. The reversal of 13376989 is 98967331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9972964 + 3404025 = 3158^2 + 1845^2 .

It is an emirp because it is prime and its reverse (98967331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13376989 - 2³ = 13376981 is a prime.

It is a super-2 number, since 2×13376989² = 357887669412242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13376981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6688494 + 6688495.

It is an arithmetic number, because the mean of its divisors is an integer number (6688495).

Almost surely, 2^13376989 is an apocalyptic number.

It is an amenable number.

13376989 is a deficient number, since it is larger than the sum of its proper divisors (1).

13376989 is an equidigital number, since it uses as much as digits as its factorization.

13376989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 46.

The square root of 13376989 is about 3657.4566299548. The cubic root of 13376989 is about 237.3847359433.

It can be divided in two parts, 13376 and 989, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 13376989 in words is "thirteen million, three hundred seventy-six thousand, nine hundred eighty-nine".