12552817 has 4 divisors (see below), whose sum is σ = 13291236. Its totient is φ = 11814400.

The previous prime is 12552811. The next prime is 12552829. The reversal of 12552817 is 71825521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6964321 + 5588496 = 2639^2 + 2364^2 .

It is a cyclic number.

It is not a de Polignac number, because 12552817 - 2¹⁵ = 12520049 is a prime.

It is a Smith number, since the sum of its digits (31) 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 not an unprimeable number, because it can be changed into a prime (12552811) 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, 369184 + ... + 369217.

It is an arithmetic number, because the mean of its divisors is an integer number (3322809).

Almost surely, 2^12552817 is an apocalyptic number.

12552817 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12552817 is a deficient number, since it is larger than the sum of its proper divisors (738419).

12552817 is an equidigital number, since it uses as much as digits as its factorization.

12552817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738418.

The product of its digits is 5600, while the sum is 31.

The square root of 12552817 is about 3542.9954840502. The cubic root of 12552817 is about 232.4058554361.

The spelling of 12552817 in words is "twelve million, five hundred fifty-two thousand, eight hundred seventeen".