12504653 has 6 divisors (see below), whose sum is σ = 14546286. Its totient is φ = 10718232.

The previous prime is 12504649. The next prime is 12504659. The reversal of 12504653 is 35640521.

It can be written as a sum of positive squares in only one way, i.e., 7038409 + 5466244 = 2653^2 + 2338^2 .

It is not a de Polignac number, because 12504653 - 2² = 12504649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127550 + ... + 127647.

It is an arithmetic number, because the mean of its divisors is an integer number (2424381).

Almost surely, 2^12504653 is an apocalyptic number.

It is an amenable number.

12504653 is a deficient number, since it is larger than the sum of its proper divisors (2041633).

12504653 is an equidigital number, since it uses as much as digits as its factorization.

12504653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255211 (or 255204 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 12504653 is about 3536.1918782781. The cubic root of 12504653 is about 232.1082345254.

The spelling of 12504653 in words is "twelve million, five hundred four thousand, six hundred fifty-three".