12253617 has 18 divisors (see below), whose sum is σ = 18807282. Its totient is φ = 7661376.

The previous prime is 12253543. The next prime is 12253621. The reversal of 12253617 is 71635221.

It is a happy number.

12253617 is a `hidden beast` number, since 122 + 536 + 1 + 7 = 666.

12253617 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11532816 + 720801 = 3396^2 + 849^2 .

It is not a de Polignac number, because 12253617 - 2⁸ = 12253361 is a prime.

It is a super-2 number, since 2×12253617² = 300302259165378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12253117) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 43158 + ... + 43440.

It is an arithmetic number, because the mean of its divisors is an integer number (1044849).

Almost surely, 2^12253617 is an apocalyptic number.

12253617 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12253617 is a deficient number, since it is larger than the sum of its proper divisors (6553665).

12253617 is an equidigital number, since it uses as much as digits as its factorization.

12253617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 303 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 12253617 is about 3500.5166761494. The cubic root of 12253617 is about 230.5445007350.

Adding to 12253617 its reverse (71635221), we get a palindrome (83888838).

The spelling of 12253617 in words is "twelve million, two hundred fifty-three thousand, six hundred seventeen".