12740771 has 8 divisors (see below), whose sum is σ = 13117104. Its totient is φ = 12368160.

The previous prime is 12740747. The next prime is 12740789. The reversal of 12740771 is 17704721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12740771 - 2²² = 8546467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12740711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6965 + ... + 8601.

It is an arithmetic number, because the mean of its divisors is an integer number (1639638).

Almost surely, 2^12740771 is an apocalyptic number.

12740771 is a deficient number, since it is larger than the sum of its proper divisors (376333).

12740771 is a wasteful number, since it uses less digits than its factorization.

12740771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 12740771 is about 3569.4216618382. The cubic root of 12740771 is about 233.5600555939.

The spelling of 12740771 in words is "twelve million, seven hundred forty thousand, seven hundred seventy-one".