13136866 has 8 divisors (see below), whose sum is σ = 20742480. Its totient is φ = 6222708.

The previous prime is 13136863. The next prime is 13136867. The reversal of 13136866 is 66863131.

It is a happy number.

13136866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (13136863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172816 + ... + 172891.

It is an arithmetic number, because the mean of its divisors is an integer number (2592810).

Almost surely, 2^13136866 is an apocalyptic number.

13136866 is a deficient number, since it is larger than the sum of its proper divisors (7605614).

13136866 is a wasteful number, since it uses less digits than its factorization.

13136866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345728.

The product of its digits is 15552, while the sum is 34.

The square root of 13136866 is about 3624.4814801569. The cubic root of 13136866 is about 235.9557635176.

Adding to 13136866 its reverse (66863131), we get a palindrome (79999997).

The spelling of 13136866 in words is "thirteen million, one hundred thirty-six thousand, eight hundred sixty-six".