13089977 has 2 divisors, whose sum is σ = 13089978. Its totient is φ = 13089976.

The previous prime is 13089959. The next prime is 13089997. The reversal of 13089977 is 77998031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11397376 + 1692601 = 3376^2 + 1301^2 .

It is a cyclic number.

It is not a de Polignac number, because 13089977 - 2²⁰ = 12041401 is a prime.

It is not a weakly prime, because it can be changed into another prime (13089997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6544988 + 6544989.

It is an arithmetic number, because the mean of its divisors is an integer number (6544989).

Almost surely, 2^13089977 is an apocalyptic number.

It is an amenable number.

13089977 is a deficient number, since it is larger than the sum of its proper divisors (1).

13089977 is an equidigital number, since it uses as much as digits as its factorization.

13089977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 13089977 is about 3618.0073244813. The cubic root of 13089977 is about 235.6746990410.

The spelling of 13089977 in words is "thirteen million, eighty-nine thousand, nine hundred seventy-seven".