12117253 has 4 divisors (see below), whose sum is σ = 12263328. Its totient is φ = 11971180.

The previous prime is 12117247. The next prime is 12117283. The reversal of 12117253 is 35271121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35271121 = 23 ⋅1533527.

It is a cyclic number.

It is not a de Polignac number, because 12117253 - 2⁵ = 12117221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12117233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72913 + ... + 73078.

It is an arithmetic number, because the mean of its divisors is an integer number (3065832).

Almost surely, 2^12117253 is an apocalyptic number.

It is an amenable number.

12117253 is a deficient number, since it is larger than the sum of its proper divisors (146075).

12117253 is an equidigital number, since it uses as much as digits as its factorization.

12117253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146074.

The product of its digits is 420, while the sum is 22.

The square root of 12117253 is about 3480.9844871818. The cubic root of 12117253 is about 229.6861061479.

Adding to 12117253 its reverse (35271121), we get a palindrome (47388374).

It can be divided in two parts, 1211 and 7253, that added together give a square (8464 = 92²).

The spelling of 12117253 in words is "twelve million, one hundred seventeen thousand, two hundred fifty-three".