13668874 has 8 divisors (see below), whose sum is σ = 20519460. Its totient is φ = 6829056.

The previous prime is 13668857. The next prime is 13668881. The reversal of 13668874 is 47886631.

It can be written as a sum of positive squares in 2 ways, for example, as 13638249 + 30625 = 3693^2 + 175^2 .

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

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 13668874.

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, 2442 + ... + 5770.

Almost surely, 2^13668874 is an apocalyptic number.

13668874 is a deficient number, since it is larger than the sum of its proper divisors (6850586).

13668874 is a wasteful number, since it uses less digits than its factorization.

13668874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5384.

The product of its digits is 193536, while the sum is 43.

The square root of 13668874 is about 3697.1440328989. The cubic root of 13668874 is about 239.0989010799.

The spelling of 13668874 in words is "thirteen million, six hundred sixty-eight thousand, eight hundred seventy-four".