13349858 has 4 divisors (see below), whose sum is σ = 20024790. Its totient is φ = 6674928.

The previous prime is 13349857. The next prime is 13349893. The reversal of 13349858 is 85894331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85894331 = 4967 ⋅17293.

It can be written as a sum of positive squares in only one way, i.e., 13126129 + 223729 = 3623^2 + 473^2 .

It is not an unprimeable number, because it can be changed into a prime (13349851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3337463 + ... + 3337466.

Almost surely, 2^13349858 is an apocalyptic number.

13349858 is a deficient number, since it is larger than the sum of its proper divisors (6674932).

13349858 is an equidigital number, since it uses as much as digits as its factorization.

13349858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674931.

The product of its digits is 103680, while the sum is 41.

The square root of 13349858 is about 3653.7457492278. The cubic root of 13349858 is about 237.2241406517.

The spelling of 13349858 in words is "thirteen million, three hundred forty-nine thousand, eight hundred fifty-eight".