13504842 has 24 divisors (see below), whose sum is σ = 31511844. Its totient is φ = 4155264.

The previous prime is 13504819. The next prime is 13504859. The reversal of 13504842 is 24840531.

It can be written as a sum of positive squares in 2 ways, for example, as 12383361 + 1121481 = 3519^2 + 1059^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28623 + ... + 29090.

Almost surely, 2^13504842 is an apocalyptic number.

13504842 is an abundant number, since it is smaller than the sum of its proper divisors (18007002).

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

13504842 is a wasteful number, since it uses less digits than its factorization.

13504842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57734 (or 57731 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 13504842 is about 3674.8934678437. The cubic root of 13504842 is about 238.1386217847.

The spelling of 13504842 in words is "thirteen million, five hundred four thousand, eight hundred forty-two".