12170552 has 16 divisors (see below), whose sum is σ = 23023440. Its totient is φ = 6030976.

The previous prime is 12170551. The next prime is 12170573. The reversal of 12170552 is 25507121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12170551) 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 3 ways as a sum of consecutive naturals, for example, 5828 + ... + 7635.

It is an arithmetic number, because the mean of its divisors is an integer number (1438965).

Almost surely, 2^12170552 is an apocalyptic number.

It is an amenable number.

12170552 is a deficient number, since it is larger than the sum of its proper divisors (10852888).

12170552 is a wasteful number, since it uses less digits than its factorization.

12170552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13582 (or 13578 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 12170552 is about 3488.6318235090. The cubic root of 12170552 is about 230.0223796749.

Adding to 12170552 its reverse (25507121), we get a palindrome (37677673).

The spelling of 12170552 in words is "twelve million, one hundred seventy thousand, five hundred fifty-two".