12297072 has 20 divisors (see below), whose sum is σ = 31767560. Its totient is φ = 4099008.

The previous prime is 12297059. The next prime is 12297083. The reversal of 12297072 is 27079221.

It is a happy number.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 128047 + ... + 128142.

It is an arithmetic number, because the mean of its divisors is an integer number (1588378).

Almost surely, 2^12297072 is an apocalyptic number.

12297072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12297072 is an abundant number, since it is smaller than the sum of its proper divisors (19470488).

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

12297072 is a wasteful number, since it uses less digits than its factorization.

12297072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256200 (or 256194 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 12297072 is about 3506.7181238303. The cubic root of 12297072 is about 230.8167058564.

The spelling of 12297072 in words is "twelve million, two hundred ninety-seven thousand, seventy-two".