12252257 has 8 divisors (see below), whose sum is σ = 13156992. Its totient is φ = 11368000.

The previous prime is 12252197. The next prime is 12252259. The reversal of 12252257 is 75225221.

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 12252257 - 2¹⁶ = 12186721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12252259) 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 7 ways as a sum of consecutive naturals, for example, 3869 + ... + 6282.

It is an arithmetic number, because the mean of its divisors is an integer number (1644624).

Almost surely, 2^12252257 is an apocalyptic number.

12252257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12252257 is a deficient number, since it is larger than the sum of its proper divisors (904735).

12252257 is a wasteful number, since it uses less digits than its factorization.

12252257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10239.

The product of its digits is 2800, while the sum is 26.

The square root of 12252257 is about 3500.3224137213. The cubic root of 12252257 is about 230.5359712229.

Adding to 12252257 its reverse (75225221), we get a palindrome (87477478).

The spelling of 12252257 in words is "twelve million, two hundred fifty-two thousand, two hundred fifty-seven".