12606345751 has 4 divisors (see below), whose sum is σ = 12652863904. Its totient is φ = 12559827600.

The previous prime is 12606345721. The next prime is 12606345779. The reversal of 12606345751 is 15754360621.

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 12606345751 - 2²³ = 12597957143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12606345721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23258670 + ... + 23259211.

It is an arithmetic number, because the mean of its divisors is an integer number (3163215976).

Almost surely, 2^12606345751 is an apocalyptic number.

12606345751 is a deficient number, since it is larger than the sum of its proper divisors (46518153).

12606345751 is an equidigital number, since it uses as much as digits as its factorization.

12606345751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46518152.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 12606345751 in words is "twelve billion, six hundred six million, three hundred forty-five thousand, seven hundred fifty-one".