12512653 has 2 divisors, whose sum is σ = 12512654. Its totient is φ = 12512652.

The previous prime is 12512651. The next prime is 12512681. The reversal of 12512653 is 35621521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12411529 + 101124 = 3523^2 + 318^2 .

It is a cyclic number.

It is not a de Polignac number, because 12512653 - 2¹ = 12512651 is a prime.

Together with 12512651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12512651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256326 + 6256327.

It is an arithmetic number, because the mean of its divisors is an integer number (6256327).

Almost surely, 2^12512653 is an apocalyptic number.

It is an amenable number.

12512653 is a deficient number, since it is larger than the sum of its proper divisors (1).

12512653 is an equidigital number, since it uses as much as digits as its factorization.

12512653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 25.

The square root of 12512653 is about 3537.3228577556. The cubic root of 12512653 is about 232.1577219718.

The spelling of 12512653 in words is "twelve million, five hundred twelve thousand, six hundred fifty-three".