12152457 has 16 divisors (see below), whose sum is σ = 18952000. Its totient is φ = 7674912.

The previous prime is 12152449. The next prime is 12152513. The reversal of 12152457 is 75425121.

It is not a de Polignac number, because 12152457 - 2³ = 12152449 is a prime.

It is a super-2 number, since 2×12152457² = 295364422273698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12152457.

It is not an unprimeable number, because it can be changed into a prime (12152417) 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 15 ways as a sum of consecutive naturals, for example, 11332 + ... + 12357.

It is an arithmetic number, because the mean of its divisors is an integer number (1184500).

Almost surely, 2^12152457 is an apocalyptic number.

It is an amenable number.

12152457 is a deficient number, since it is larger than the sum of its proper divisors (6799543).

12152457 is a wasteful number, since it uses less digits than its factorization.

12152457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23717 (or 23711 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 12152457 is about 3486.0374352551. The cubic root of 12152457 is about 229.9083251532.

Adding to 12152457 its reverse (75425121), we get a palindrome (87577578).

The spelling of 12152457 in words is "twelve million, one hundred fifty-two thousand, four hundred fifty-seven".