12940253 has 2 divisors, whose sum is σ = 12940254. Its totient is φ = 12940252.

The previous prime is 12940243. The next prime is 12940289. The reversal of 12940253 is 35204921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9746884 + 3193369 = 3122^2 + 1787^2 .

It is a cyclic number.

It is not a de Polignac number, because 12940253 - 2¹⁶ = 12874717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12940223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6470126 + 6470127.

It is an arithmetic number, because the mean of its divisors is an integer number (6470127).

Almost surely, 2^12940253 is an apocalyptic number.

It is an amenable number.

12940253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12940253 is an equidigital number, since it uses as much as digits as its factorization.

12940253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 12940253 is about 3597.2563155828. The cubic root of 12940253 is about 234.7726970682.

The spelling of 12940253 in words is "twelve million, nine hundred forty thousand, two hundred fifty-three".