13623198 has 16 divisors (see below), whose sum is σ = 28125696. Its totient is φ = 4394520.

The previous prime is 13623179. The next prime is 13623223. The reversal of 13623198 is 89132631.

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, 36436 + ... + 36807.

It is an arithmetic number, because the mean of its divisors is an integer number (1757856).

Almost surely, 2^13623198 is an apocalyptic number.

13623198 is an abundant number, since it is smaller than the sum of its proper divisors (14502498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13623198 is a wasteful number, since it uses less digits than its factorization.

13623198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73279.

The product of its digits is 7776, while the sum is 33.

The square root of 13623198 is about 3690.9616633067. The cubic root of 13623198 is about 238.8322790525.

It can be divided in two parts, 1362 and 3198, that multiplied together give a triangular number (4355676 = T₂₉₅₁).

The spelling of 13623198 in words is "thirteen million, six hundred twenty-three thousand, one hundred ninety-eight".