13040885 has 48 divisors (see below), whose sum is σ = 19605888. Its totient is φ = 8236800.

The previous prime is 13040873. The next prime is 13040899. The reversal of 13040885 is 58804031.

It is not a de Polignac number, because 13040885 - 2¹² = 13036789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 213755 + ... + 213815.

It is an arithmetic number, because the mean of its divisors is an integer number (408456).

Almost surely, 2^13040885 is an apocalyptic number.

It is an amenable number.

13040885 is a deficient number, since it is larger than the sum of its proper divisors (6565003).

13040885 is a wasteful number, since it uses less digits than its factorization.

13040885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 13040885 is about 3611.2165540161. The cubic root of 13040885 is about 235.3797090634.

The spelling of 13040885 in words is "thirteen million, forty thousand, eight hundred eighty-five".