12170253 has 4 divisors (see below), whose sum is σ = 16227008. Its totient is φ = 8113500.

The previous prime is 12170251. The next prime is 12170261. The reversal of 12170253 is 35207121.

12170253 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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: 35207121 = 3 ⋅11735707.

It is not a de Polignac number, because 12170253 - 2¹ = 12170251 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 (12170251) 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, 2028373 + ... + 2028378.

It is an arithmetic number, because the mean of its divisors is an integer number (4056752).

Almost surely, 2^12170253 is an apocalyptic number.

It is an amenable number.

12170253 is a deficient number, since it is larger than the sum of its proper divisors (4056755).

12170253 is an equidigital number, since it uses as much as digits as its factorization.

12170253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056754.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12170253 is about 3488.5889697699. The cubic root of 12170253 is about 230.0204959681.

Adding to 12170253 its reverse (35207121), we get a palindrome (47377374).

The spelling of 12170253 in words is "twelve million, one hundred seventy thousand, two hundred fifty-three".