12887791629 has 8 divisors (see below), whose sum is σ = 17210283840. Its totient is φ = 8578580256.

The previous prime is 12887791601. The next prime is 12887791639. The reversal of 12887791629 is 92619778821.

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

It is not a de Polignac number, because 12887791629 - 2⁸ = 12887791373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12887791639) 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, 3317944 + ... + 3321825.

It is an arithmetic number, because the mean of its divisors is an integer number (2151285480).

Almost surely, 2^12887791629 is an apocalyptic number.

It is an amenable number.

12887791629 is a deficient number, since it is larger than the sum of its proper divisors (4322492211).

12887791629 is an equidigital number, since it uses as much as digits as its factorization.

12887791629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6640419.

The product of its digits is 6096384, while the sum is 60.

The spelling of 12887791629 in words is "twelve billion, eight hundred eighty-seven million, seven hundred ninety-one thousand, six hundred twenty-nine".