13489533 has 24 divisors (see below), whose sum is σ = 20180160. Its totient is φ = 8677440.

The previous prime is 13489529. The next prime is 13489537. The reversal of 13489533 is 33598431.

It is an interprime number because it is at equal distance from previous prime (13489529) and next prime (13489537).

It is not a de Polignac number, because 13489533 - 2² = 13489529 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13489537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51160 + ... + 51422.

It is an arithmetic number, because the mean of its divisors is an integer number (840840).

Almost surely, 2^13489533 is an apocalyptic number.

It is an amenable number.

13489533 is a deficient number, since it is larger than the sum of its proper divisors (6690627).

13489533 is a wasteful number, since it uses less digits than its factorization.

13489533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 446 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 13489533 is about 3672.8099596903. The cubic root of 13489533 is about 238.0486036367.

The spelling of 13489533 in words is "thirteen million, four hundred eighty-nine thousand, five hundred thirty-three".