12247331 has 8 divisors (see below), whose sum is σ = 12414144. Its totient is φ = 12081960.

The previous prime is 12247297. The next prime is 12247357. The reversal of 12247331 is 13374221.

12247331 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 12247331 - 2¹⁴ = 12230947 is a prime.

It is a super-2 number, since 2×12247331² = 299994233247122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12247297 and 12247306.

It is not an unprimeable number, because it can be changed into a prime (12247931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36836 + ... + 37166.

It is an arithmetic number, because the mean of its divisors is an integer number (1551768).

Almost surely, 2^12247331 is an apocalyptic number.

12247331 is a deficient number, since it is larger than the sum of its proper divisors (166813).

12247331 is a wasteful number, since it uses less digits than its factorization.

12247331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its digits is 1008, while the sum is 23.

The square root of 12247331 is about 3499.6186935151. The cubic root of 12247331 is about 230.5050715441.

The spelling of 12247331 in words is "twelve million, two hundred forty-seven thousand, three hundred thirty-one".