13372666 has 4 divisors (see below), whose sum is σ = 20059002. Its totient is φ = 6686332.

The previous prime is 13372663. The next prime is 13372669. The reversal of 13372666 is 66627331.

13372666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (13372663) and next prime (13372669).

It can be written as a sum of positive squares in only one way, i.e., 10699441 + 2673225 = 3271^2 + 1635^2 .

It is not an unprimeable number, because it can be changed into a prime (13372661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3343165 + ... + 3343168.

Almost surely, 2^13372666 is an apocalyptic number.

13372666 is a deficient number, since it is larger than the sum of its proper divisors (6686336).

13372666 is an equidigital number, since it uses as much as digits as its factorization.

13372666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6686335.

The product of its digits is 27216, while the sum is 34.

The square root of 13372666 is about 3656.8655977490. The cubic root of 13372666 is about 237.3591615588.

Adding to 13372666 its reverse (66627331), we get a palindrome (79999997).

The spelling of 13372666 in words is "thirteen million, three hundred seventy-two thousand, six hundred sixty-six".