13126866 has 8 divisors (see below), whose sum is σ = 26253744. Its totient is φ = 4375620.

The previous prime is 13126849. The next prime is 13126889. The reversal of 13126866 is 66862131.

It is a sphenic number, since it is the product of 3 distinct primes.

13126866 is an admirable number.

It is a super-2 number, since 2×13126866² = 344629221963912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093900 + ... + 1093911.

It is an arithmetic number, because the mean of its divisors is an integer number (3281718).

Almost surely, 2^13126866 is an apocalyptic number.

13126866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13126866 is a wasteful number, since it uses less digits than its factorization.

13126866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187816.

The product of its digits is 10368, while the sum is 33.

The square root of 13126866 is about 3623.1017098613. The cubic root of 13126866 is about 235.8958771743.

Adding to 13126866 its reverse (66862131), we get a palindrome (79988997).

The spelling of 13126866 in words is "thirteen million, one hundred twenty-six thousand, eight hundred sixty-six".