12237307 has 4 divisors (see below), whose sum is σ = 12244336. Its totient is φ = 12230280.

The previous prime is 12237301. The next prime is 12237341. The reversal of 12237307 is 70373221.

12237307 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 70373221 = 503 ⋅139907.

It is a cyclic number.

It is not a de Polignac number, because 12237307 - 2¹⁵ = 12204539 is a prime.

It is a super-2 number, since 2×12237307² = 299503365224498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12237301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258 + ... + 5104.

It is an arithmetic number, because the mean of its divisors is an integer number (3061084).

Almost surely, 2^12237307 is an apocalyptic number.

12237307 is a deficient number, since it is larger than the sum of its proper divisors (7029).

12237307 is an equidigital number, since it uses as much as digits as its factorization.

12237307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 12237307 is about 3498.1862443272. The cubic root of 12237307 is about 230.4421676755.

It can be divided in two parts, 12237 and 307, that added together give a square (12544 = 112²).

The spelling of 12237307 in words is "twelve million, two hundred thirty-seven thousand, three hundred seven".