13489357 has 12 divisors (see below), whose sum is σ = 15952476. Its totient is φ = 11370240.

The previous prime is 13489351. The next prime is 13489393. The reversal of 13489357 is 75398431.

It can be written as a sum of positive squares in 2 ways, for example, as 137641 + 13351716 = 371^2 + 3654^2 .

It is not a de Polignac number, because 13489357 - 2¹⁵ = 13456589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13489351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733 + ... + 5245.

It is an arithmetic number, because the mean of its divisors is an integer number (1329373).

Almost surely, 2^13489357 is an apocalyptic number.

It is an amenable number.

13489357 is a deficient number, since it is larger than the sum of its proper divisors (2463119).

13489357 is an equidigital number, since it uses as much as digits as its factorization.

13489357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588 (or 4581 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 13489357 is about 3672.7859997555. The cubic root of 13489357 is about 238.0475683467.

The spelling of 13489357 in words is "thirteen million, four hundred eighty-nine thousand, three hundred fifty-seven".