13668995 has 4 divisors (see below), whose sum is σ = 16402800. Its totient is φ = 10935192.

The previous prime is 13668989. The next prime is 13669001. The reversal of 13668995 is 59986631.

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 (13668989) and next prime (13669001).

It is a cyclic number.

It is not a de Polignac number, because 13668995 - 2⁴ = 13668979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366895 + ... + 1366904.

It is an arithmetic number, because the mean of its divisors is an integer number (4100700).

Almost surely, 2^13668995 is an apocalyptic number.

13668995 is a deficient number, since it is larger than the sum of its proper divisors (2733805).

13668995 is an equidigital number, since it uses as much as digits as its factorization.

13668995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733804.

The product of its digits is 349920, while the sum is 47.

The square root of 13668995 is about 3697.1603968451. The cubic root of 13668995 is about 239.0996065972.

The spelling of 13668995 in words is "thirteen million, six hundred sixty-eight thousand, nine hundred ninety-five".