12307506 has 8 divisors (see below), whose sum is σ = 24615024. Its totient is φ = 4102500.

The previous prime is 12307499. The next prime is 12307567. The reversal of 12307506 is 60570321.

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

12307506 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 1025620 + ... + 1025631.

It is an arithmetic number, because the mean of its divisors is an integer number (3076878).

Almost surely, 2^12307506 is an apocalyptic number.

12307506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12307506 is a wasteful number, since it uses less digits than its factorization.

12307506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051256.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 12307506 is about 3508.2055241961. The cubic root of 12307506 is about 230.8819696492.

Adding to 12307506 its reverse (60570321), we get a palindrome (72877827).

The spelling of 12307506 in words is "twelve million, three hundred seven thousand, five hundred six".