12054399 has 16 divisors (see below), whose sum is σ = 18550272. Its totient is φ = 6820128.

The previous prime is 12054391. The next prime is 12054403. The reversal of 12054399 is 99345021.

12054399 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12054399 - 2³ = 12054391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624 + ... + 4949.

It is an arithmetic number, because the mean of its divisors is an integer number (1159392).

Almost surely, 2^12054399 is an apocalyptic number.

12054399 is a deficient number, since it is larger than the sum of its proper divisors (6495873).

12054399 is a wasteful number, since it uses less digits than its factorization.

12054399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 12054399 is about 3471.9445560089. The cubic root of 12054399 is about 229.2882787841.

The spelling of 12054399 in words is "twelve million, fifty-four thousand, three hundred ninety-nine".