12747642354 has 32 divisors (see below), whose sum is σ = 28603136640. Its totient is φ = 4207957776.

The previous prime is 12747642343. The next prime is 12747642361. The reversal of 12747642354 is 45324674721.

12747642354 is a `hidden beast` number, since 127 + 476 + 4 + 2 + 3 + 54 = 666.

It is a super-2 number, since 2×12747642354² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140397 + ... + 1151520.

It is an arithmetic number, because the mean of its divisors is an integer number (893848020).

Almost surely, 2^12747642354 is an apocalyptic number.

12747642354 is an abundant number, since it is smaller than the sum of its proper divisors (15855494286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12747642354 is a wasteful number, since it uses less digits than its factorization.

12747642354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292031 (or 2292025 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 45.

The spelling of 12747642354 in words is "twelve billion, seven hundred forty-seven million, six hundred forty-two thousand, three hundred fifty-four".