12247461 has 6 divisors (see below), whose sum is σ = 17690790. Its totient is φ = 8164968.

The previous prime is 12247453. The next prime is 12247471. The reversal of 12247461 is 16474221.

It can be written as a sum of positive squares in only one way, i.e., 8122500 + 4124961 = 2850^2 + 2031^2 .

It is not a de Polignac number, because 12247461 - 2³ = 12247453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12247441) 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, 680406 + ... + 680423.

It is an arithmetic number, because the mean of its divisors is an integer number (2948465).

Almost surely, 2^12247461 is an apocalyptic number.

It is an amenable number.

12247461 is a deficient number, since it is larger than the sum of its proper divisors (5443329).

12247461 is a wasteful number, since it uses less digits than its factorization.

12247461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360835 (or 1360832 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 12247461 is about 3499.6372669178. The cubic root of 12247461 is about 230.5058871110.

The spelling of 12247461 in words is "twelve million, two hundred forty-seven thousand, four hundred sixty-one".