13218192 has 120 divisors (see below), whose sum is σ = 41705664. Its totient is φ = 3877632.

The previous prime is 13218181. The next prime is 13218199. The reversal of 13218192 is 29181231.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13218199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42903 + ... + 43209.

Almost surely, 2^13218192 is an apocalyptic number.

13218192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13218192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20852832).

13218192 is an abundant number, since it is smaller than the sum of its proper divisors (28487472).

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

13218192 is a wasteful number, since it uses less digits than its factorization.

13218192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 348 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 13218192 is about 3635.6831545117. The cubic root of 13218192 is about 236.4416702721.

The spelling of 13218192 in words is "thirteen million, two hundred eighteen thousand, one hundred ninety-two".