12194072 has 16 divisors (see below), whose sum is σ = 24942600. Its totient is φ = 5542720.

The previous prime is 12194059. The next prime is 12194089. The reversal of 12194072 is 27049121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69197 + ... + 69372.

Almost surely, 2^12194072 is an apocalyptic number.

It is an amenable number.

12194072 is an abundant number, since it is smaller than the sum of its proper divisors (12748528).

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

12194072 is a wasteful number, since it uses less digits than its factorization.

12194072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138586 (or 138582 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 12194072 is about 3492.0011454752. The cubic root of 12194072 is about 230.1704596476.

The spelling of 12194072 in words is "twelve million, one hundred ninety-four thousand, seventy-two".