12091192 has 16 divisors (see below), whose sum is σ = 23657040. Its totient is φ = 5782656.

The previous prime is 12091181. The next prime is 12091241. The reversal of 12091192 is 29119021.

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, 32673 + ... + 33040.

It is an arithmetic number, because the mean of its divisors is an integer number (1478565).

Almost surely, 2^12091192 is an apocalyptic number.

It is an amenable number.

12091192 is a deficient number, since it is larger than the sum of its proper divisors (11565848).

12091192 is a wasteful number, since it uses less digits than its factorization.

12091192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65742 (or 65738 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 12091192 is about 3477.2391347159. The cubic root of 12091192 is about 229.5213233083.

It can be divided in two parts, 1209 and 1192, that added together give a 4-th power (2401 = 7⁴).

The spelling of 12091192 in words is "twelve million, ninety-one thousand, one hundred ninety-two".