13489479 has 12 divisors (see below), whose sum is σ = 19805032. Its totient is φ = 8845200.

The previous prime is 13489429. The next prime is 13489481. The reversal of 13489479 is 97498431.

It is not a de Polignac number, because 13489479 - 2⁷ = 13489351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13489429) 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, 11737 + ... + 12834.

Almost surely, 2^13489479 is an apocalyptic number.

13489479 is a deficient number, since it is larger than the sum of its proper divisors (6315553).

13489479 is a wasteful number, since it uses less digits than its factorization.

13489479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24638 (or 24635 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 13489479 is about 3672.8026083633. The cubic root of 13489479 is about 238.0482859919.

The spelling of 13489479 in words is "thirteen million, four hundred eighty-nine thousand, four hundred seventy-nine".