12027399 has 8 divisors (see below), whose sum is σ = 16880640. Its totient is φ = 7596216.

The previous prime is 12027377. The next prime is 12027427. The reversal of 12027399 is 99372021.

12027399 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12027399 - 2⁷ = 12027271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12027359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105447 + ... + 105560.

It is an arithmetic number, because the mean of its divisors is an integer number (2110080).

Almost surely, 2^12027399 is an apocalyptic number.

12027399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12027399 is a deficient number, since it is larger than the sum of its proper divisors (4853241).

12027399 is a wasteful number, since it uses less digits than its factorization.

12027399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211029.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 12027399 is about 3468.0540653225. The cubic root of 12027399 is about 229.1169606503.

The spelling of 12027399 in words is "twelve million, twenty-seven thousand, three hundred ninety-nine".