12773513 has 2 divisors, whose sum is σ = 12773514. Its totient is φ = 12773512.

The previous prime is 12773471. The next prime is 12773521. The reversal of 12773513 is 31537721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12020089 + 753424 = 3467^2 + 868^2 .

It is an emirp because it is prime and its reverse (31537721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12773513 - 2¹⁰ = 12772489 is a prime.

It is a super-2 number, since 2×12773513² = 326325268722338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12773413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6386756 + 6386757.

It is an arithmetic number, because the mean of its divisors is an integer number (6386757).

Almost surely, 2^12773513 is an apocalyptic number.

It is an amenable number.

12773513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12773513 is an equidigital number, since it uses as much as digits as its factorization.

12773513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4410, while the sum is 29.

The square root of 12773513 is about 3574.0051762693. The cubic root of 12773513 is about 233.7599566807.

The spelling of 12773513 in words is "twelve million, seven hundred seventy-three thousand, five hundred thirteen".