13608458 has 4 divisors (see below), whose sum is σ = 20412690. Its totient is φ = 6804228.

The previous prime is 13608457. The next prime is 13608481. The reversal of 13608458 is 85480631.

13608458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 13227769 + 380689 = 3637^2 + 617^2 .

It is not an unprimeable number, because it can be changed into a prime (13608457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402113 + ... + 3402116.

Almost surely, 2^13608458 is an apocalyptic number.

13608458 is a deficient number, since it is larger than the sum of its proper divisors (6804232).

13608458 is an equidigital number, since it uses as much as digits as its factorization.

13608458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804231.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 13608458 is about 3688.9643533111. The cubic root of 13608458 is about 238.7461108802.

The spelling of 13608458 in words is "thirteen million, six hundred eight thousand, four hundred fifty-eight".