12260642 has 16 divisors (see below), whose sum is σ = 18896640. Its totient is φ = 5964192.

The previous prime is 12260629. The next prime is 12260701. The reversal of 12260642 is 24606221.

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 7 ways as a sum of consecutive naturals, for example, 11003 + ... + 12065.

It is an arithmetic number, because the mean of its divisors is an integer number (1181040).

Almost surely, 2^12260642 is an apocalyptic number.

12260642 is a deficient number, since it is larger than the sum of its proper divisors (6635998).

12260642 is a wasteful number, since it uses less digits than its factorization.

12260642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 12260642 is about 3501.5199556764. The cubic root of 12260642 is about 230.5885493811.

Adding to 12260642 its reverse (24606221), we get a palindrome (36866863).

The spelling of 12260642 in words is "twelve million, two hundred sixty thousand, six hundred forty-two".