12732546635 has 4 divisors (see below), whose sum is σ = 15279055968. Its totient is φ = 10186037304.

The previous prime is 12732546587. The next prime is 12732546707. The reversal of 12732546635 is 53664523721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12732546635 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273254659 + ... + 1273254668.

It is an arithmetic number, because the mean of its divisors is an integer number (3819763992).

Almost surely, 2^12732546635 is an apocalyptic number.

12732546635 is a deficient number, since it is larger than the sum of its proper divisors (2546509333).

12732546635 is an equidigital number, since it uses as much as digits as its factorization.

12732546635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546509332.

The product of its digits is 907200, while the sum is 44.

The spelling of 12732546635 in words is "twelve billion, seven hundred thirty-two million, five hundred forty-six thousand, six hundred thirty-five".