13196858 has 4 divisors (see below), whose sum is σ = 19795290. Its totient is φ = 6598428.

The previous prime is 13196839. The next prime is 13196873. The reversal of 13196858 is 85869131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85869131 = 59 ⋅1455409.

It can be written as a sum of positive squares in only one way, i.e., 12623809 + 573049 = 3553^2 + 757^2 .

It is a super-2 number, since 2×13196858² = 348314122144328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3299213 + ... + 3299216.

Almost surely, 2^13196858 is an apocalyptic number.

13196858 is a deficient number, since it is larger than the sum of its proper divisors (6598432).

13196858 is an equidigital number, since it uses as much as digits as its factorization.

13196858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6598431.

The product of its digits is 51840, while the sum is 41.

The square root of 13196858 is about 3632.7479956639. The cubic root of 13196858 is about 236.3143971217.

The spelling of 13196858 in words is "thirteen million, one hundred ninety-six thousand, eight hundred fifty-eight".