12247207 has 6 divisors (see below), whose sum is σ = 14246808. Its totient is φ = 10497564.

The previous prime is 12247199. The next prime is 12247211. The reversal of 12247207 is 70274221.

It is not a de Polignac number, because 12247207 - 2³ = 12247199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12247237) 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 5 ways as a sum of consecutive naturals, for example, 124923 + ... + 125020.

It is an arithmetic number, because the mean of its divisors is an integer number (2374468).

Almost surely, 2^12247207 is an apocalyptic number.

12247207 is a deficient number, since it is larger than the sum of its proper divisors (1999601).

12247207 is an equidigital number, since it uses as much as digits as its factorization.

12247207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249957 (or 249950 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 12247207 is about 3499.6009772544. The cubic root of 12247207 is about 230.5042936133.

Adding to 12247207 its product of nonzero digits (1568), we get a triangular number (12248775 = T₄₉₄₉).

The spelling of 12247207 in words is "twelve million, two hundred forty-seven thousand, two hundred seven".