12316761 has 6 divisors (see below), whose sum is σ = 17790890. Its totient is φ = 8211168.

The previous prime is 12316747. The next prime is 12316783. The reversal of 12316761 is 16761321.

12316761 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11861136 + 455625 = 3444^2 + 675^2 .

It is not a de Polignac number, because 12316761 - 2⁶ = 12316697 is a prime.

It is a super-2 number, since 2×12316761² = 303405203062242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12316741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 684256 + ... + 684273.

Almost surely, 2^12316761 is an apocalyptic number.

It is an amenable number.

12316761 is a deficient number, since it is larger than the sum of its proper divisors (5474129).

12316761 is a wasteful number, since it uses less digits than its factorization.

12316761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368535 (or 1368532 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 12316761 is about 3509.5243267429. The cubic root of 12316761 is about 230.9398280336.

The spelling of 12316761 in words is "twelve million, three hundred sixteen thousand, seven hundred sixty-one".