12552789 has 4 divisors (see below), whose sum is σ = 16737056. Its totient is φ = 8368524.

The previous prime is 12552773. The next prime is 12552791. The reversal of 12552789 is 98725521.

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 not a de Polignac number, because 12552789 - 2⁴ = 12552773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12552719) 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, 2092129 + ... + 2092134.

It is an arithmetic number, because the mean of its divisors is an integer number (4184264).

Almost surely, 2^12552789 is an apocalyptic number.

It is an amenable number.

12552789 is a deficient number, since it is larger than the sum of its proper divisors (4184267).

12552789 is an equidigital number, since it uses as much as digits as its factorization.

12552789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184266.

The product of its digits is 50400, while the sum is 39.

The square root of 12552789 is about 3542.9915325894. The cubic root of 12552789 is about 232.4056826364.

The spelling of 12552789 in words is "twelve million, five hundred fifty-two thousand, seven hundred eighty-nine".