13668002 has 4 divisors (see below), whose sum is σ = 20502006. Its totient is φ = 6834000.

The previous prime is 13668001. The next prime is 13668007. The reversal of 13668002 is 20086631.

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

It can be written as a sum of positive squares in only one way, i.e., 13623481 + 44521 = 3691^2 + 211^2 .

It is not an unprimeable number, because it can be changed into a prime (13668001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3416999 + ... + 3417002.

Almost surely, 2^13668002 is an apocalyptic number.

13668002 is a deficient number, since it is larger than the sum of its proper divisors (6834004).

13668002 is an equidigital number, since it uses as much as digits as its factorization.

13668002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834003.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 13668002 is about 3697.0261021529. The cubic root of 13668002 is about 239.0938165675.

The spelling of 13668002 in words is "thirteen million, six hundred sixty-eight thousand, two".