12315436 has 24 divisors (see below), whose sum is σ = 24706080. Its totient is φ = 5261952.

The previous prime is 12315427. The next prime is 12315449. The reversal of 12315436 is 63451321.

12315436 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is a self number, because there is not a number n which added to its sum of digits gives 12315436.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15546 + ... + 16318.

It is an arithmetic number, because the mean of its divisors is an integer number (1029420).

Almost surely, 2^12315436 is an apocalyptic number.

It is an amenable number.

12315436 is an abundant number, since it is smaller than the sum of its proper divisors (12390644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12315436 is a wasteful number, since it uses less digits than its factorization.

12315436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1351 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 12315436 is about 3509.3355496447. The cubic root of 12315436 is about 230.9315464665.

Adding to 12315436 its reverse (63451321), we get a palindrome (75766757).

The spelling of 12315436 in words is "twelve million, three hundred fifteen thousand, four hundred thirty-six".