13700066 has 8 divisors (see below), whose sum is σ = 20742480. Its totient is φ = 6785908.

The previous prime is 13700059. The next prime is 13700069. The reversal of 13700066 is 66000731.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13700069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31796 + ... + 32223.

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

Almost surely, 2^13700066 is an apocalyptic number.

13700066 is a deficient number, since it is larger than the sum of its proper divisors (7042414).

13700066 is a wasteful number, since it uses less digits than its factorization.

13700066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64128.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 13700066 is about 3701.3600203169. The cubic root of 13700066 is about 239.2806353164.

Adding to 13700066 its reverse (66000731), we get a palindrome (79700797).

The spelling of 13700066 in words is "thirteen million, seven hundred thousand, sixty-six".