13732666 has 8 divisors (see below), whose sum is σ = 20615904. Its totient is φ = 6860700.

The previous prime is 13732657. The next prime is 13732669. The reversal of 13732666 is 66623731.

13732666 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 a super-2 number, since 2×13732666² = 377172230935112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13732669) 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, 1641 + ... + 5491.

It is an arithmetic number, because the mean of its divisors is an integer number (2576988).

Almost surely, 2^13732666 is an apocalyptic number.

13732666 is a deficient number, since it is larger than the sum of its proper divisors (6883238).

13732666 is a wasteful number, since it uses less digits than its factorization.

13732666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636.

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

The square root of 13732666 is about 3705.7611903629. The cubic root of 13732666 is about 239.4702784322.

The spelling of 13732666 in words is "thirteen million, seven hundred thirty-two thousand, six hundred sixty-six".