12742641 has 12 divisors (see below), whose sum is σ = 18474768. Its totient is φ = 8463384.

The previous prime is 12742637. The next prime is 12742651. The reversal of 12742641 is 14624721.

12742641 is a `hidden beast` number, since 12 + 7 + 4 + 2 + 641 = 666.

It is not a de Polignac number, because 12742641 - 2² = 12742637 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12742651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46 + ... + 5048.

It is an arithmetic number, because the mean of its divisors is an integer number (1539564).

Almost surely, 2^12742641 is an apocalyptic number.

It is an amenable number.

12742641 is a deficient number, since it is larger than the sum of its proper divisors (5732127).

12742641 is a wasteful number, since it uses less digits than its factorization.

12742641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292 (or 5289 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 12742641 is about 3569.6835994245. The cubic root of 12742641 is about 233.5714817977.

The spelling of 12742641 in words is "twelve million, seven hundred forty-two thousand, six hundred forty-one".