12654504427 has 4 divisors (see below), whose sum is σ = 12796689960. Its totient is φ = 12512318896.

The previous prime is 12654504419. The next prime is 12654504449. The reversal of 12654504427 is 72440545621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72440545621 = 29 ⋅2497949849.

It is a cyclic number.

It is not a de Polignac number, because 12654504427 - 2³ = 12654504419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12654504427.

It is not an unprimeable number, because it can be changed into a prime (12654504407) 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, 71092633 + ... + 71092810.

It is an arithmetic number, because the mean of its divisors is an integer number (3199172490).

Almost surely, 2^12654504427 is an apocalyptic number.

12654504427 is a deficient number, since it is larger than the sum of its proper divisors (142185533).

12654504427 is an equidigital number, since it uses as much as digits as its factorization.

12654504427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142185532.

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 12654504427 in words is "twelve billion, six hundred fifty-four million, five hundred four thousand, four hundred twenty-seven".