12315124 has 6 divisors (see below), whose sum is σ = 21551474. Its totient is φ = 6157560.

The previous prime is 12315113. The next prime is 12315131. The reversal of 12315124 is 42151321.

It can be written as a sum of positive squares in only one way, i.e., 9363600 + 2951524 = 3060^2 + 1718^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1539387 + ... + 1539394.

Almost surely, 2^12315124 is an apocalyptic number.

It is an amenable number.

12315124 is a deficient number, since it is larger than the sum of its proper divisors (9236350).

12315124 is a wasteful number, since it uses less digits than its factorization.

12315124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078785 (or 3078783 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 12315124 is about 3509.2910965037. The cubic root of 12315124 is about 230.9295963055.

Adding to 12315124 its reverse (42151321), we get a palindrome (54466445).

The spelling of 12315124 in words is "twelve million, three hundred fifteen thousand, one hundred twenty-four".