12313012 has 12 divisors (see below), whose sum is σ = 21706020. Its totient is φ = 6111296.

The previous prime is 12313003. The next prime is 12313043. The reversal of 12313012 is 21031321.

It can be written as a sum of positive squares in 2 ways, for example, as 8328996 + 3984016 = 2886^2 + 1996^2 .

It is a super-2 number, since 2×12313012² = 303220529024288, which contains 22 as substring.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12312983 and 12313001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10687 + ... + 11782.

It is an arithmetic number, because the mean of its divisors is an integer number (1808835).

Almost surely, 2^12313012 is an apocalyptic number.

It is an amenable number.

12313012 is a deficient number, since it is larger than the sum of its proper divisors (9393008).

12313012 is a wasteful number, since it uses less digits than its factorization.

12313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22610 (or 22608 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12313012 is about 3508.9901681253. The cubic root of 12313012 is about 230.9163943491.

Adding to 12313012 its reverse (21031321), we get a palindrome (33344333).

The spelling of 12313012 in words is "twelve million, three hundred thirteen thousand, twelve".