12342251 has 4 divisors (see below), whose sum is σ = 12356232. Its totient is φ = 12328272.

The previous prime is 12342223. The next prime is 12342257. The reversal of 12342251 is 15224321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12342251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12342257) 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, 5570 + ... + 7463.

It is an arithmetic number, because the mean of its divisors is an integer number (3089058).

Almost surely, 2^12342251 is an apocalyptic number.

12342251 is a deficient number, since it is larger than the sum of its proper divisors (13981).

12342251 is an equidigital number, since it uses as much as digits as its factorization.

12342251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13980.

The product of its digits is 480, while the sum is 20.

The square root of 12342251 is about 3513.1539960554. The cubic root of 12342251 is about 231.0990311442.

Adding to 12342251 its reverse (15224321), we get a palindrome (27566572).

The spelling of 12342251 in words is "twelve million, three hundred forty-two thousand, two hundred fifty-one".