13418539 has 4 divisors (see below), whose sum is σ = 13446360. Its totient is φ = 13390720.

The previous prime is 13418513. The next prime is 13418551. The reversal of 13418539 is 93581431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93581431 = 227 ⋅412253.

It is a cyclic number.

It is not a de Polignac number, because 13418539 - 2¹⁷ = 13287467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13418569) 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, 13174 + ... + 14155.

It is an arithmetic number, because the mean of its divisors is an integer number (3361590).

Almost surely, 2^13418539 is an apocalyptic number.

13418539 is a deficient number, since it is larger than the sum of its proper divisors (27821).

13418539 is an equidigital number, since it uses as much as digits as its factorization.

13418539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27820.

The product of its digits is 12960, while the sum is 34.

The square root of 13418539 is about 3663.1324027395. The cubic root of 13418539 is about 237.6302605841.

The spelling of 13418539 in words is "thirteen million, four hundred eighteen thousand, five hundred thirty-nine".