12300642 has 24 divisors (see below), whose sum is σ = 26720460. Its totient is φ = 4089600.

The previous prime is 12300641. The next prime is 12300643. The reversal of 12300642 is 24600321.

It is a happy number.

12300642 is a `hidden beast` number, since 1 + 23 + 0 + 0 + 642 = 666.

It is an interprime number because it is at equal distance from previous prime (12300641) and next prime (12300643).

It can be written as a sum of positive squares in 2 ways, for example, as 8874441 + 3426201 = 2979^2 + 1851^2 .

It is a super-2 number, since 2×12300642² = 302611587224328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12300641) 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 11 ways as a sum of consecutive naturals, for example, 9642 + ... + 10842.

Almost surely, 2^12300642 is an apocalyptic number.

12300642 is an abundant number, since it is smaller than the sum of its proper divisors (14419818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12300642 is a wasteful number, since it uses less digits than its factorization.

12300642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 12300642 is about 3507.2271098405. The cubic root of 12300642 is about 230.8390400596.

Adding to 12300642 its reverse (24600321), we get a palindrome (36900963).

The spelling of 12300642 in words is "twelve million, three hundred thousand, six hundred forty-two".