1264266713 has 4 divisors (see below), whose sum is σ = 1275455028. Its totient is φ = 1253078400.

The previous prime is 1264266667. The next prime is 1264266733. The reversal of 1264266713 is 3176624621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3176624621 = 5233 ⋅607037.

It can be written as a sum of positive squares in 2 ways, for example, as 512026384 + 752240329 = 22628^2 + 27427^2 .

It is a cyclic number.

It is not a de Polignac number, because 1264266713 - 2⁶ = 1264266649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264266733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5593988 + ... + 5594213.

It is an arithmetic number, because the mean of its divisors is an integer number (318863757).

Almost surely, 2^1264266713 is an apocalyptic number.

It is an amenable number.

1264266713 is a deficient number, since it is larger than the sum of its proper divisors (11188315).

1264266713 is a wasteful number, since it uses less digits than its factorization.

1264266713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11188314.

The product of its digits is 72576, while the sum is 38.

The square root of 1264266713 is about 35556.5284160307. The cubic root of 1264266713 is about 1081.3000784584.

The spelling of 1264266713 in words is "one billion, two hundred sixty-four million, two hundred sixty-six thousand, seven hundred thirteen".