12695653 has 4 divisors (see below), whose sum is σ = 12788460. Its totient is φ = 12602848.

The previous prime is 12695633. The next prime is 12695671. The reversal of 12695653 is 35659621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35659621 = 677 ⋅52673.

It can be written as a sum of positive squares in 2 ways, for example, as 5116644 + 7579009 = 2262^2 + 2753^2 .

It is a cyclic number.

It is not a de Polignac number, because 12695653 - 2²¹ = 10598501 is a prime.

It is a super-2 number, since 2×12695653² = 322359210192818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12695623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46198 + ... + 46471.

It is an arithmetic number, because the mean of its divisors is an integer number (3197115).

Almost surely, 2^12695653 is an apocalyptic number.

It is an amenable number.

12695653 is a deficient number, since it is larger than the sum of its proper divisors (92807).

12695653 is an equidigital number, since it uses as much as digits as its factorization.

12695653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92806.

The product of its digits is 48600, while the sum is 37.

The square root of 12695653 is about 3563.0959852353. The cubic root of 12695653 is about 233.2840328948.

The spelling of 12695653 in words is "twelve million, six hundred ninety-five thousand, six hundred fifty-three".