12745653 has 4 divisors (see below), whose sum is σ = 16994208. Its totient is φ = 8497100.

The previous prime is 12745651. The next prime is 12745661. The reversal of 12745653 is 35654721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12745653 - 2¹ = 12745651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2124273 + ... + 2124278.

It is an arithmetic number, because the mean of its divisors is an integer number (4248552).

Almost surely, 2^12745653 is an apocalyptic number.

It is an amenable number.

12745653 is a deficient number, since it is larger than the sum of its proper divisors (4248555).

12745653 is an equidigital number, since it uses as much as digits as its factorization.

12745653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248554.

The product of its digits is 25200, while the sum is 33.

The square root of 12745653 is about 3570.1054606272. The cubic root of 12745653 is about 233.5898835790.

The spelling of 12745653 in words is "twelve million, seven hundred forty-five thousand, six hundred fifty-three".