12152493 has 6 divisors (see below), whose sum is σ = 17553614. Its totient is φ = 8101656.

The previous prime is 12152449. The next prime is 12152513. The reversal of 12152493 is 39425121.

12152493 is a `hidden beast` number, since 121 + 52 + 493 = 666.

12152493 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11309769 + 842724 = 3363^2 + 918^2 .

It is not a de Polignac number, because 12152493 - 2¹² = 12148397 is a prime.

It is a super-2 number, since 2×12152493² = 295366172230098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 675130 + ... + 675147.

Almost surely, 2^12152493 is an apocalyptic number.

It is an amenable number.

12152493 is a deficient number, since it is larger than the sum of its proper divisors (5401121).

12152493 is a wasteful number, since it uses less digits than its factorization.

12152493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350283 (or 1350280 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 12152493 is about 3486.0425987070. The cubic root of 12152493 is about 229.9085521771.

The spelling of 12152493 in words is "twelve million, one hundred fifty-two thousand, four hundred ninety-three".