12548527347 has 4 divisors (see below), whose sum is σ = 16731369800. Its totient is φ = 8365684896.

The previous prime is 12548527309. The next prime is 12548527423. The reversal of 12548527347 is 74372584521.

It is a happy number.

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

It is not a de Polignac number, because 12548527347 - 2⁶ = 12548527283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12548527296 and 12548527305.

It is not an unprimeable number, because it can be changed into a prime (12548527247) 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, 2091421222 + ... + 2091421227.

It is an arithmetic number, because the mean of its divisors is an integer number (4182842450).

Almost surely, 2^12548527347 is an apocalyptic number.

12548527347 is a deficient number, since it is larger than the sum of its proper divisors (4182842453).

12548527347 is an equidigital number, since it uses as much as digits as its factorization.

12548527347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182842452.

The product of its digits is 1881600, while the sum is 48.

The spelling of 12548527347 in words is "twelve billion, five hundred forty-eight million, five hundred twenty-seven thousand, three hundred forty-seven".