12507953 has 2 divisors, whose sum is σ = 12507954. Its totient is φ = 12507952.

The previous prime is 12507931. The next prime is 12507959. The reversal of 12507953 is 35970521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12061729 + 446224 = 3473^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 12507953 - 2⁶ = 12507889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12507959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253976 + 6253977.

It is an arithmetic number, because the mean of its divisors is an integer number (6253977).

Almost surely, 2^12507953 is an apocalyptic number.

It is an amenable number.

12507953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12507953 is an equidigital number, since it uses as much as digits as its factorization.

12507953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 12507953 is about 3536.6584511372. The cubic root of 12507953 is about 232.1286506539.

The spelling of 12507953 in words is "twelve million, five hundred seven thousand, nine hundred fifty-three".