12206742 has 8 divisors (see below), whose sum is σ = 24413496. Its totient is φ = 4068912.

The previous prime is 12206741. The next prime is 12206743. The reversal of 12206742 is 24760221.

It is an interprime number because it is at equal distance from previous prime (12206741) and next prime (12206743).

It is a sphenic number, since it is the product of 3 distinct primes.

12206742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206741) by changing a digit.

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, 1017223 + ... + 1017234.

It is an arithmetic number, because the mean of its divisors is an integer number (3051687).

Almost surely, 2^12206742 is an apocalyptic number.

12206742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12206742 is a wasteful number, since it uses less digits than its factorization.

12206742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034462.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 12206742 is about 3493.8148205078. The cubic root of 12206742 is about 230.2501500162.

Adding to 12206742 its reverse (24760221), we get a palindrome (36966963).

The spelling of 12206742 in words is "twelve million, two hundred six thousand, seven hundred forty-two".