12761316 has 36 divisors (see below), whose sum is σ = 32553612. Its totient is φ = 4214784.

The previous prime is 12761311. The next prime is 12761317. The reversal of 12761316 is 61316721.

It can be written as a sum of positive squares in 2 ways, for example, as 7001316 + 5760000 = 2646^2 + 2400^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12761316.

It is not an unprimeable number, because it can be changed into a prime (12761311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2500 + ... + 5636.

It is an arithmetic number, because the mean of its divisors is an integer number (904267).

Almost surely, 2^12761316 is an apocalyptic number.

It is an amenable number.

12761316 is an abundant number, since it is smaller than the sum of its proper divisors (19792296).

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

12761316 is a wasteful number, since it uses less digits than its factorization.

12761316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260 (or 3255 counting only the distinct ones).

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

The square root of 12761316 is about 3572.2984197852. The cubic root of 12761316 is about 233.6855298005.

The spelling of 12761316 in words is "twelve million, seven hundred sixty-one thousand, three hundred sixteen".