12547673601 has 4 divisors (see below), whose sum is σ = 16730231472. Its totient is φ = 8365115732.

The previous prime is 12547673597. The next prime is 12547673623. The reversal of 12547673601 is 10637674521.

It is a happy number.

12547673601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12547673601 - 2² = 12547673597 is a prime.

It is a super-3 number, since 3×12547673601³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (12547673651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2091278931 + ... + 2091278936.

It is an arithmetic number, because the mean of its divisors is an integer number (4182557868).

Almost surely, 2^12547673601 is an apocalyptic number.

It is an amenable number.

12547673601 is a deficient number, since it is larger than the sum of its proper divisors (4182557871).

12547673601 is an equidigital number, since it uses as much as digits as its factorization.

12547673601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182557870.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 12547673601 in words is "twelve billion, five hundred forty-seven million, six hundred seventy-three thousand, six hundred one".