12309772 has 6 divisors (see below), whose sum is σ = 21542108. Its totient is φ = 6154884.

The previous prime is 12309769. The next prime is 12309797. The reversal of 12309772 is 27790321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1538718 + ... + 1538725.

Almost surely, 2^12309772 is an apocalyptic number.

It is an amenable number.

12309772 is a deficient number, since it is larger than the sum of its proper divisors (9232336).

12309772 is a wasteful number, since it uses less digits than its factorization.

12309772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077447 (or 3077445 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 12309772 is about 3508.5284664657. The cubic root of 12309772 is about 230.8961384130.

The spelling of 12309772 in words is "twelve million, three hundred nine thousand, seven hundred seventy-two".