12740318 has 16 divisors (see below), whose sum is σ = 20027904. Its totient is φ = 6070680.

The previous prime is 12740303. The next prime is 12740333. The reversal of 12740318 is 81304721.

It is an interprime number because it is at equal distance from previous prime (12740303) and next prime (12740333).

It is a super-2 number, since 2×12740318² = 324631405482248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2621 + ... + 5687.

It is an arithmetic number, because the mean of its divisors is an integer number (1251744).

Almost surely, 2^12740318 is an apocalyptic number.

12740318 is a deficient number, since it is larger than the sum of its proper divisors (7287586).

12740318 is a wasteful number, since it uses less digits than its factorization.

12740318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12740318 is about 3569.3582056162. The cubic root of 12740318 is about 233.5572874736.

The spelling of 12740318 in words is "twelve million, seven hundred forty thousand, three hundred eighteen".