12740773 has 12 divisors (see below), whose sum is σ = 13921740. Its totient is φ = 11644416.

The previous prime is 12740747. The next prime is 12740789. The reversal of 12740773 is 37704721.

It can be written as a sum of positive squares in 2 ways, for example, as 5461569 + 7279204 = 2337^2 + 2698^2 .

It is not a de Polignac number, because 12740773 - 2²¹ = 10643621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740573) 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, 9861 + ... + 11077.

It is an arithmetic number, because the mean of its divisors is an integer number (1160145).

Almost surely, 2^12740773 is an apocalyptic number.

It is an amenable number.

12740773 is a deficient number, since it is larger than the sum of its proper divisors (1180967).

12740773 is a wasteful number, since it uses less digits than its factorization.

12740773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 12740773 is about 3569.4219419957. The cubic root of 12740773 is about 233.5600678150.

The spelling of 12740773 in words is "twelve million, seven hundred forty thousand, seven hundred seventy-three".