12775951 has 2 divisors, whose sum is σ = 12775952. Its totient is φ = 12775950.

The previous prime is 12775943. The next prime is 12775981. The reversal of 12775951 is 15957721.

12775951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12775951 - 2³ = 12775943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12775951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12775981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6387975 + 6387976.

It is an arithmetic number, because the mean of its divisors is an integer number (6387976).

Almost surely, 2^12775951 is an apocalyptic number.

12775951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12775951 is an equidigital number, since it uses as much as digits as its factorization.

12775951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22050, while the sum is 37.

The square root of 12775951 is about 3574.3462339287. The cubic root of 12775951 is about 233.7748278317.

The spelling of 12775951 in words is "twelve million, seven hundred seventy-five thousand, nine hundred fifty-one".