12408764547 has 32 divisors (see below), whose sum is σ = 16931856384. Its totient is φ = 8081488800.

The previous prime is 12408764539. The next prime is 12408764561. The reversal of 12408764547 is 74546780421.

It is not a de Polignac number, because 12408764547 - 2³ = 12408764539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12408764496 and 12408764505.

It is not an unprimeable number, because it can be changed into a prime (12408764567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19664922 + ... + 19665552.

It is an arithmetic number, because the mean of its divisors is an integer number (529120512).

Almost surely, 2^12408764547 is an apocalyptic number.

12408764547 is a deficient number, since it is larger than the sum of its proper divisors (4523091837).

12408764547 is a wasteful number, since it uses less digits than its factorization.

12408764547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359.

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 12408764547 in words is "twelve billion, four hundred eight million, seven hundred sixty-four thousand, five hundred forty-seven".