12252642 has 8 divisors (see below), whose sum is σ = 24505296. Its totient is φ = 4084212.

The previous prime is 12252641. The next prime is 12252649. The reversal of 12252642 is 24625221.

It is a happy number.

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

12252642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12252641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021048 + ... + 1021059.

It is an arithmetic number, because the mean of its divisors is an integer number (3063162).

Almost surely, 2^12252642 is an apocalyptic number.

12252642 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.

12252642 is a wasteful number, since it uses less digits than its factorization.

12252642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042112.

The product of its digits is 1920, while the sum is 24.

The square root of 12252642 is about 3500.3774082233. The cubic root of 12252642 is about 230.5383858915.

Adding to 12252642 its reverse (24625221), we get a palindrome (36877863).

The spelling of 12252642 in words is "twelve million, two hundred fifty-two thousand, six hundred forty-two".