12153245 has 16 divisors (see below), whose sum is σ = 15807792. Its totient is φ = 8916480.

The previous prime is 12153221. The next prime is 12153247. The reversal of 12153245 is 54235121.

It can be written as a sum of positive squares in 8 ways, for example, as 1110916 + 11042329 = 1054^2 + 3323^2 .

It is not a de Polignac number, because 12153245 - 2¹⁰ = 12152221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12153245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12153247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11249 + ... + 12281.

It is an arithmetic number, because the mean of its divisors is an integer number (987987).

Almost surely, 2^12153245 is an apocalyptic number.

It is an amenable number.

12153245 is a deficient number, since it is larger than the sum of its proper divisors (3654547).

12153245 is a wasteful number, since it uses less digits than its factorization.

12153245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its digits is 1200, while the sum is 23.

The square root of 12153245 is about 3486.1504557319. The cubic root of 12153245 is about 229.9132943499.

Adding to 12153245 its reverse (54235121), we get a palindrome (66388366).

The spelling of 12153245 in words is "twelve million, one hundred fifty-three thousand, two hundred forty-five".