12003427 has 2 divisors, whose sum is σ = 12003428. Its totient is φ = 12003426.

The previous prime is 12003391. The next prime is 12003437. The reversal of 12003427 is 72430021.

12003427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12003427 - 2¹⁵ = 11970659 is a prime.

It is not a weakly prime, because it can be changed into another prime (12003437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001713 + 6001714.

It is an arithmetic number, because the mean of its divisors is an integer number (6001714).

Almost surely, 2^12003427 is an apocalyptic number.

12003427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003427 is an equidigital number, since it uses as much as digits as its factorization.

12003427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 12003427 is about 3464.5962246703. The cubic root of 12003427 is about 228.9646405236.

Adding to 12003427 its reverse (72430021), we get a palindrome (84433448).

The spelling of 12003427 in words is "twelve million, three thousand, four hundred twenty-seven".