13252648787 has 4 divisors (see below), whose sum is σ = 15145884336. Its totient is φ = 11359413240.

The previous prime is 13252648733. The next prime is 13252648837. The reversal of 13252648787 is 78784625231.

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

It is not a de Polignac number, because 13252648787 - 2⁸ = 13252648531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13252648727) 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, 946617764 + ... + 946617777.

It is an arithmetic number, because the mean of its divisors is an integer number (3786471084).

Almost surely, 2^13252648787 is an apocalyptic number.

13252648787 is a deficient number, since it is larger than the sum of its proper divisors (1893235549).

13252648787 is an equidigital number, since it uses as much as digits as its factorization.

13252648787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893235548.

The product of its digits is 4515840, while the sum is 53.

The spelling of 13252648787 in words is "thirteen billion, two hundred fifty-two million, six hundred forty-eight thousand, seven hundred eighty-seven".