13608158 has 4 divisors (see below), whose sum is σ = 20412240. Its totient is φ = 6804078.

The previous prime is 13608151. The next prime is 13608181. The reversal of 13608158 is 85180631.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13608151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402038 + ... + 3402041.

It is an arithmetic number, because the mean of its divisors is an integer number (5103060).

Almost surely, 2^13608158 is an apocalyptic number.

13608158 is a deficient number, since it is larger than the sum of its proper divisors (6804082).

13608158 is an equidigital number, since it uses as much as digits as its factorization.

13608158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6804081.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 13608158 is about 3688.9236912682. The cubic root of 13608158 is about 238.7443564723.

Adding to 13608158 its reverse (85180631), we get a palindrome (98788789).

The spelling of 13608158 in words is "thirteen million, six hundred eight thousand, one hundred fifty-eight".