13123198 has 16 divisors (see below), whose sum is σ = 21999600. Its totient is φ = 5819200.

The previous prime is 13123183. The next prime is 13123207. The reversal of 13123198 is 89132131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6373 + ... + 8176.

It is an arithmetic number, because the mean of its divisors is an integer number (1374975).

Almost surely, 2^13123198 is an apocalyptic number.

13123198 is a deficient number, since it is larger than the sum of its proper divisors (8876402).

13123198 is a wasteful number, since it uses less digits than its factorization.

13123198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14603.

The product of its digits is 1296, while the sum is 28.

The square root of 13123198 is about 3622.5954783829. The cubic root of 13123198 is about 235.8739032398.

The spelling of 13123198 in words is "thirteen million, one hundred twenty-three thousand, one hundred ninety-eight".