12297772 has 12 divisors (see below), whose sum is σ = 21794080. Its totient is φ = 6070896.

The previous prime is 12297763. The next prime is 12297773. The reversal of 12297772 is 27779221.

It is not an unprimeable number, because it can be changed into a prime (12297773) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 19143 + ... + 19774.

Almost surely, 2^12297772 is an apocalyptic number.

It is an amenable number.

12297772 is a deficient number, since it is larger than the sum of its proper divisors (9496308).

12297772 is a wasteful number, since it uses less digits than its factorization.

12297772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39000 (or 38998 counting only the distinct ones).

The product of its digits is 24696, while the sum is 37.

The square root of 12297772 is about 3506.8179308313. The cubic root of 12297772 is about 230.8210854526.

The spelling of 12297772 in words is "twelve million, two hundred ninety-seven thousand, seven hundred seventy-two".