12152507 has 4 divisors (see below), whose sum is σ = 12169080. Its totient is φ = 12135936.

The previous prime is 12152449. The next prime is 12152513. The reversal of 12152507 is 70525121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70525121 = 677 ⋅104173.

It is a cyclic number.

It is not a de Polignac number, because 12152507 - 2⁶ = 12152443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12152587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7133 + ... + 8670.

It is an arithmetic number, because the mean of its divisors is an integer number (3042270).

Almost surely, 2^12152507 is an apocalyptic number.

12152507 is a deficient number, since it is larger than the sum of its proper divisors (16573).

12152507 is an equidigital number, since it uses as much as digits as its factorization.

12152507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16572.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 12152507 is about 3486.0446067140. The cubic root of 12152507 is about 229.9086404640.

Adding to 12152507 its reverse (70525121), we get a palindrome (82677628).

The spelling of 12152507 in words is "twelve million, one hundred fifty-two thousand, five hundred seven".