12340745 has 8 divisors (see below), whose sum is σ = 14848584. Its totient is φ = 9846144.

The previous prime is 12340733. The next prime is 12340753. The reversal of 12340745 is 54704321.

It can be written as a sum of positive squares in 4 ways, for example, as 3171961 + 9168784 = 1781^2 + 3028^2 .

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 12340745 - 2⁶ = 12340681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1124 + ... + 5093.

It is an arithmetic number, because the mean of its divisors is an integer number (1856073).

Almost surely, 2^12340745 is an apocalyptic number.

It is an amenable number.

12340745 is a deficient number, since it is larger than the sum of its proper divisors (2507839).

12340745 is an equidigital number, since it uses as much as digits as its factorization.

12340745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6619.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 12340745 is about 3512.9396522001. The cubic root of 12340745 is about 231.0896312031.

The spelling of 12340745 in words is "twelve million, three hundred forty thousand, seven hundred forty-five".