12152997 has 20 divisors (see below), whose sum is σ = 18469440. Its totient is φ = 7961544.

The previous prime is 12152971. The next prime is 12153013. The reversal of 12152997 is 79925121.

12152997 is a `hidden beast` number, since 121 + 529 + 9 + 7 = 666.

12152997 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12152997 - 2¹⁰ = 12151973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152927) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3508 + ... + 6050.

It is an arithmetic number, because the mean of its divisors is an integer number (923472).

Almost surely, 2^12152997 is an apocalyptic number.

It is an amenable number.

12152997 is a deficient number, since it is larger than the sum of its proper divisors (6316443).

12152997 is an equidigital number, since it uses as much as digits as its factorization.

12152997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614 (or 2605 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 12152997 is about 3486.1148862308. The cubic root of 12152997 is about 229.9117304634.

The spelling of 12152997 in words is "twelve million, one hundred fifty-two thousand, nine hundred ninety-seven".