13089637 has 4 divisors (see below), whose sum is σ = 14279616. Its totient is φ = 11899660.

The previous prime is 13089617. The next prime is 13089647. The reversal of 13089637 is 73698031.

13089637 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73698031 = 11 ⋅6699821.

It is a cyclic number.

It is not a de Polignac number, because 13089637 - 2¹⁹ = 12565349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13089596 and 13089605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13089607) 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, 594973 + ... + 594994.

It is an arithmetic number, because the mean of its divisors is an integer number (3569904).

Almost surely, 2^13089637 is an apocalyptic number.

It is an amenable number.

13089637 is a deficient number, since it is larger than the sum of its proper divisors (1189979).

13089637 is a wasteful number, since it uses less digits than its factorization.

13089637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189978.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 13089637 is about 3617.9603369855. The cubic root of 13089637 is about 235.6726585461.

The spelling of 13089637 in words is "thirteen million, eighty-nine thousand, six hundred thirty-seven".