12262251 has 8 divisors (see below), whose sum is σ = 16370640. Its totient is φ = 8164352.

The previous prime is 12262199. The next prime is 12262259. The reversal of 12262251 is 15226221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12262251 - 2⁷ = 12262123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12262259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715 + ... + 5003.

It is an arithmetic number, because the mean of its divisors is an integer number (2046330).

Almost surely, 2^12262251 is an apocalyptic number.

12262251 is a deficient number, since it is larger than the sum of its proper divisors (4108389).

12262251 is an equidigital number, since it uses as much as digits as its factorization.

12262251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5245.

The product of its digits is 480, while the sum is 21.

The square root of 12262251 is about 3501.7497055044. The cubic root of 12262251 is about 230.5986358770.

Adding to 12262251 its reverse (15226221), we get a palindrome (27488472).

The spelling of 12262251 in words is "twelve million, two hundred sixty-two thousand, two hundred fifty-one".