12055045 has 4 divisors (see below), whose sum is σ = 14466060. Its totient is φ = 9644032.

The previous prime is 12055037. The next prime is 12055051. The reversal of 12055045 is 54055021.

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 1602756 + 10452289 = 1266^2 + 3233^2 .

It is a cyclic number.

It is not a de Polignac number, because 12055045 - 2³ = 12055037 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 congruent number.

It is an unprimeable number.

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, 1205500 + ... + 1205509.

It is an arithmetic number, because the mean of its divisors is an integer number (3616515).

Almost surely, 2^12055045 is an apocalyptic number.

It is an amenable number.

12055045 is a deficient number, since it is larger than the sum of its proper divisors (2411015).

12055045 is an equidigital number, since it uses as much as digits as its factorization.

12055045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411014.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 12055045 is about 3472.0375862021. The cubic root of 12055045 is about 229.2923745940.

The spelling of 12055045 in words is "twelve million, fifty-five thousand, forty-five".