13868458 has 8 divisors (see below), whose sum is σ = 20827620. Its totient is φ = 6925920.

The previous prime is 13868443. The next prime is 13868497. The reversal of 13868458 is 85486831.

It can be written as a sum of positive squares in 2 ways, for example, as 12552849 + 1315609 = 3543^2 + 1147^2 .

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

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, 1803 + ... + 5566.

Almost surely, 2^13868458 is an apocalyptic number.

13868458 is a deficient number, since it is larger than the sum of its proper divisors (6959162).

13868458 is an equidigital number, since it uses as much as digits as its factorization.

13868458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8312.

The product of its digits is 184320, while the sum is 43.

The square root of 13868458 is about 3724.0378623210. The cubic root of 13868458 is about 240.2570047800.

The spelling of 13868458 in words is "thirteen million, eight hundred sixty-eight thousand, four hundred fifty-eight".