12307748 has 12 divisors (see below), whose sum is σ = 21761292. Its totient is φ = 6090240.

The previous prime is 12307747. The next prime is 12307753. The reversal of 12307748 is 84770321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2334784 + 9972964 = 1528^2 + 3158^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12307741) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15473 + ... + 16248.

It is an arithmetic number, because the mean of its divisors is an integer number (1813441).

Almost surely, 2^12307748 is an apocalyptic number.

It is an amenable number.

12307748 is a deficient number, since it is larger than the sum of its proper divisors (9453544).

12307748 is a wasteful number, since it uses less digits than its factorization.

12307748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31822 (or 31820 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 12307748 is about 3508.2400145942. The cubic root of 12307748 is about 230.8834829011.

The spelling of 12307748 in words is "twelve million, three hundred seven thousand, seven hundred forty-eight".