12513263635 has 8 divisors (see below), whose sum is σ = 15045420240. Its totient is φ = 9990941664.

The previous prime is 12513263617. The next prime is 12513263639. The reversal of 12513263635 is 53636231521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12513263635 - 2⁹ = 12513263123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12513263594 and 12513263603.

It is not an unprimeable number, because it can be changed into a prime (12513263639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2455857 + ... + 2460946.

It is an arithmetic number, because the mean of its divisors is an integer number (1880677530).

Almost surely, 2^12513263635 is an apocalyptic number.

12513263635 is a deficient number, since it is larger than the sum of its proper divisors (2532156605).

12513263635 is an equidigital number, since it uses as much as digits as its factorization.

12513263635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4917317.

The product of its digits is 97200, while the sum is 37.

The spelling of 12513263635 in words is "twelve billion, five hundred thirteen million, two hundred sixty-three thousand, six hundred thirty-five".