12630855787 has 4 divisors (see below), whose sum is σ = 13779115416. Its totient is φ = 11482596160.

The previous prime is 12630855781. The next prime is 12630855803. The reversal of 12630855787 is 78755803621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12630855787 - 2⁷ = 12630855659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12630855781) 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, 574129798 + ... + 574129819.

It is an arithmetic number, because the mean of its divisors is an integer number (3444778854).

Almost surely, 2^12630855787 is an apocalyptic number.

12630855787 is a deficient number, since it is larger than the sum of its proper divisors (1148259629).

12630855787 is a wasteful number, since it uses less digits than its factorization.

12630855787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148259628.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 12630855787 in words is "twelve billion, six hundred thirty million, eight hundred fifty-five thousand, seven hundred eighty-seven".