12740807 has 8 divisors (see below), whose sum is σ = 13069056. Its totient is φ = 12415032.

The previous prime is 12740797. The next prime is 12740809. The reversal of 12740807 is 70804721.

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 12740807 - 2²⁰ = 11692231 is a prime.

It is a super-2 number, since 2×12740807² = 324656326022498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12740807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13988 + ... + 14870.

It is an arithmetic number, because the mean of its divisors is an integer number (1633632).

Almost surely, 2^12740807 is an apocalyptic number.

12740807 is a deficient number, since it is larger than the sum of its proper divisors (328249).

12740807 is an equidigital number, since it uses as much as digits as its factorization.

12740807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 12740807 is about 3569.4267046684. The cubic root of 12740807 is about 233.5602755741.

The spelling of 12740807 in words is "twelve million, seven hundred forty thousand, eight hundred seven".