12613555506 has 8 divisors (see below), whose sum is σ = 25227111024. Its totient is φ = 4204518500.

The previous prime is 12613555477. The next prime is 12613555519. The reversal of 12613555506 is 60555531621.

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

12613555506 is an admirable 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, 1051129620 + ... + 1051129631.

It is an arithmetic number, because the mean of its divisors is an integer number (3153388878).

Almost surely, 2^12613555506 is an apocalyptic number.

12613555506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12613555506 is a wasteful number, since it uses less digits than its factorization.

12613555506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102259256.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 12613555506 in words is "twelve billion, six hundred thirteen million, five hundred fifty-five thousand, five hundred six".