12674532771 has 24 divisors (see below), whose sum is σ = 18454516080. Its totient is φ = 8382009600.

The previous prime is 12674532769. The next prime is 12674532799. The reversal of 12674532771 is 17723547621.

12674532771 is a `hidden beast` number, since 126 + 7 + 453 + 2 + 7 + 71 = 666.

It is not a de Polignac number, because 12674532771 - 2¹ = 12674532769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12674532271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1849311 + ... + 1856151.

It is an arithmetic number, because the mean of its divisors is an integer number (768938170).

Almost surely, 2^12674532771 is an apocalyptic number.

12674532771 is a deficient number, since it is larger than the sum of its proper divisors (5779983309).

12674532771 is a wasteful number, since it uses less digits than its factorization.

12674532771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8467 (or 8464 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The spelling of 12674532771 in words is "twelve billion, six hundred seventy-four million, five hundred thirty-two thousand, seven hundred seventy-one".