12297788 has 24 divisors (see below), whose sum is σ = 22888320. Its totient is φ = 5765040.

The previous prime is 12297787. The next prime is 12297811. The reversal of 12297788 is 88779221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12297787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7043 + ... + 8613.

It is an arithmetic number, because the mean of its divisors is an integer number (953680).

Almost surely, 2^12297788 is an apocalyptic number.

It is an amenable number.

12297788 is a deficient number, since it is larger than the sum of its proper divisors (10590532).

12297788 is a wasteful number, since it uses less digits than its factorization.

12297788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697 (or 1695 counting only the distinct ones).

The product of its digits is 112896, while the sum is 44.

The square root of 12297788 is about 3506.8202121010. The cubic root of 12297788 is about 230.8211855557.

The spelling of 12297788 in words is "twelve million, two hundred ninety-seven thousand, seven hundred eighty-eight".