12520751 has 2 divisors, whose sum is σ = 12520752. Its totient is φ = 12520750.

The previous prime is 12520747. The next prime is 12520757. The reversal of 12520751 is 15702521.

It is a happy number.

12520751 is digitally balanced in base 3, 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 12520751 - 2² = 12520747 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12520757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260375 + 6260376.

It is an arithmetic number, because the mean of its divisors is an integer number (6260376).

Almost surely, 2^12520751 is an apocalyptic number.

12520751 is a deficient number, since it is larger than the sum of its proper divisors (1).

12520751 is an equidigital number, since it uses as much as digits as its factorization.

12520751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 12520751 is about 3538.4673235739. The cubic root of 12520751 is about 232.2077941615.

The spelling of 12520751 in words is "twelve million, five hundred twenty thousand, seven hundred fifty-one".