13042866 has 16 divisors (see below), whose sum is σ = 26985600. Its totient is φ = 4197648.

The previous prime is 13042853. The next prime is 13042891. The reversal of 13042866 is 66824031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37306 + ... + 37653.

It is an arithmetic number, because the mean of its divisors is an integer number (1686600).

Almost surely, 2^13042866 is an apocalyptic number.

13042866 is an abundant number, since it is smaller than the sum of its proper divisors (13942734).

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

13042866 is a wasteful number, since it uses less digits than its factorization.

13042866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74993.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 13042866 is about 3611.4908278992. The cubic root of 13042866 is about 235.3916270581.

Adding to 13042866 its reverse (66824031), we get a palindrome (79866897).

The spelling of 13042866 in words is "thirteen million, forty-two thousand, eight hundred sixty-six".