12807764 has 6 divisors (see below), whose sum is σ = 22413594. Its totient is φ = 6403880.

The previous prime is 12807737. The next prime is 12807791. The reversal of 12807764 is 46770821.

It is a happy number.

12807764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12807737) and next prime (12807791).

It can be written as a sum of positive squares in only one way, i.e., 11847364 + 960400 = 3442^2 + 980^2 .

It is a zygodrome in base 3.

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, 1600967 + ... + 1600974.

It is an arithmetic number, because the mean of its divisors is an integer number (3735599).

Almost surely, 2^12807764 is an apocalyptic number.

It is an amenable number.

12807764 is a deficient number, since it is larger than the sum of its proper divisors (9605830).

12807764 is a wasteful number, since it uses less digits than its factorization.

12807764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201945 (or 3201943 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 12807764 is about 3578.7936514977. The cubic root of 12807764 is about 233.9687054845.

The spelling of 12807764 in words is "twelve million, eight hundred seven thousand, seven hundred sixty-four".