13089437 has 2 divisors, whose sum is σ = 13089438. Its totient is φ = 13089436.

The previous prime is 13089413. The next prime is 13089443. The reversal of 13089437 is 73498031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11978521 + 1110916 = 3461^2 + 1054^2 .

It is a cyclic number.

It is not a de Polignac number, because 13089437 - 2¹⁸ = 12827293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13089397 and 13089406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13089407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6544718 + 6544719.

It is an arithmetic number, because the mean of its divisors is an integer number (6544719).

Almost surely, 2^13089437 is an apocalyptic number.

It is an amenable number.

13089437 is a deficient number, since it is larger than the sum of its proper divisors (1).

13089437 is an equidigital number, since it uses as much as digits as its factorization.

13089437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 13089437 is about 3617.9326969970. The cubic root of 13089437 is about 235.6714582386.

The spelling of 13089437 in words is "thirteen million, eighty-nine thousand, four hundred thirty-seven".