12032287 has 2 divisors, whose sum is σ = 12032288. Its totient is φ = 12032286.

The previous prime is 12032281. The next prime is 12032291. The reversal of 12032287 is 78223021.

It is a strong prime.

It is an emirp because it is prime and its reverse (78223021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12032287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12032281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6016143 + 6016144.

It is an arithmetic number, because the mean of its divisors is an integer number (6016144).

Almost surely, 2^12032287 is an apocalyptic number.

12032287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12032287 is an equidigital number, since it uses as much as digits as its factorization.

12032287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12032287 is about 3468.7587117008. The cubic root of 12032287 is about 229.1479945705.

It can be divided in two parts, 120322 and 87, that added together give a square (120409 = 347²).

The spelling of 12032287 in words is "twelve million, thirty-two thousand, two hundred eighty-seven".