12260644 has 12 divisors (see below), whose sum is σ = 23406768. Its totient is φ = 5573000.

The previous prime is 12260629. The next prime is 12260701. The reversal of 12260644 is 44606221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139282 + ... + 139369.

It is an arithmetic number, because the mean of its divisors is an integer number (1950564).

Almost surely, 2^12260644 is an apocalyptic number.

It is an amenable number.

12260644 is a deficient number, since it is larger than the sum of its proper divisors (11146124).

12260644 is a wasteful number, since it uses less digits than its factorization.

12260644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278666 (or 278664 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 12260644 is about 3501.5202412666. The cubic root of 12260644 is about 230.5885619192.

Adding to 12260644 its reverse (44606221), we get a palindrome (56866865).

The spelling of 12260644 in words is "twelve million, two hundred sixty thousand, six hundred forty-four".