12192940 has 24 divisors (see below), whose sum is σ = 26041680. Its totient is φ = 4794048.

The previous prime is 12192923. The next prime is 12192953. The reversal of 12192940 is 4929121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12192899 and 12192908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3987 + ... + 6346.

It is an arithmetic number, because the mean of its divisors is an integer number (1085070).

Almost surely, 2^12192940 is an apocalyptic number.

12192940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12192940 is an abundant number, since it is smaller than the sum of its proper divisors (13848740).

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

12192940 is a wasteful number, since it uses less digits than its factorization.

12192940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10401 (or 10399 counting only the distinct ones).

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

The square root of 12192940 is about 3491.8390570013. The cubic root of 12192940 is about 230.1633370330.

The spelling of 12192940 in words is "twelve million, one hundred ninety-two thousand, nine hundred forty".