12384745 has 8 divisors (see below), whose sum is σ = 14885640. Its totient is φ = 9891840.

The previous prime is 12384739. The next prime is 12384763. The reversal of 12384745 is 54748321.

It can be written as a sum of positive squares in 4 ways, for example, as 1971216 + 10413529 = 1404^2 + 3227^2 .

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

It is not a de Polignac number, because 12384745 - 2³ = 12384737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12384745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2235 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (1860705).

Almost surely, 2^12384745 is an apocalyptic number.

It is an amenable number.

12384745 is a deficient number, since it is larger than the sum of its proper divisors (2500895).

12384745 is an equidigital number, since it uses as much as digits as its factorization.

12384745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995.

The product of its digits is 26880, while the sum is 34.

The square root of 12384745 is about 3519.1966412805. The cubic root of 12384745 is about 231.3639496851.

The spelling of 12384745 in words is "twelve million, three hundred eighty-four thousand, seven hundred forty-five".