12152173 has 4 divisors (see below), whose sum is σ = 13256928. Its totient is φ = 11047420.

The previous prime is 12152167. The next prime is 12152177. The reversal of 12152173 is 37125121.

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.

It is a cyclic number.

It is not a de Polignac number, because 12152173 - 2⁵ = 12152141 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152177) 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, 552361 + ... + 552382.

It is an arithmetic number, because the mean of its divisors is an integer number (3314232).

Almost surely, 2^12152173 is an apocalyptic number.

It is an amenable number.

12152173 is a deficient number, since it is larger than the sum of its proper divisors (1104755).

12152173 is a wasteful number, since it uses less digits than its factorization.

12152173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104754.

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

The square root of 12152173 is about 3485.9967010885. The cubic root of 12152173 is about 229.9065341718.

Adding to 12152173 its reverse (37125121), we get a palindrome (49277294).

The spelling of 12152173 in words is "twelve million, one hundred fifty-two thousand, one hundred seventy-three".