13120542 has 28 divisors (see below), whose sum is σ = 29511000. Its totient is φ = 4373028.

The previous prime is 13120537. The next prime is 13120553. The reversal of 13120542 is 24502131.

13120542 is a `hidden beast` number, since 1 + 3 + 120 + 542 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3042 + ... + 5957.

Almost surely, 2^13120542 is an apocalyptic number.

13120542 is an abundant number, since it is smaller than the sum of its proper divisors (16390458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13120542 is an frugal number, since it uses more digits than its factorization.

13120542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9019 (or 9004 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 13120542 is about 3622.2288718412. The cubic root of 13120542 is about 235.8579893506.

Adding to 13120542 its reverse (24502131), we get a palindrome (37622673).

The spelling of 13120542 in words is "thirteen million, one hundred twenty thousand, five hundred forty-two".