12740986 has 8 divisors (see below), whose sum is σ = 19556064. Its totient is φ = 6222300.

The previous prime is 12740983. The next prime is 12740989. The reversal of 12740986 is 68904721.

12740986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12740983) and next prime (12740989).

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

It is not an unprimeable number, because it can be changed into a prime (12740983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73990 + ... + 74161.

It is an arithmetic number, because the mean of its divisors is an integer number (2444508).

Almost surely, 2^12740986 is an apocalyptic number.

12740986 is a deficient number, since it is larger than the sum of its proper divisors (6815078).

12740986 is a wasteful number, since it uses less digits than its factorization.

12740986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148196.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 12740986 is about 3569.4517786349. The cubic root of 12740986 is about 233.5613693587.

The spelling of 12740986 in words is "twelve million, seven hundred forty thousand, nine hundred eighty-six".