12027995 has 16 divisors (see below), whose sum is σ = 16555968. Its totient is φ = 8217600.

The previous prime is 12027971. The next prime is 12028001. The reversal of 12027995 is 59972021.

It is not a de Polignac number, because 12027995 - 2⁸ = 12027739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 13607 + ... + 14463.

It is an arithmetic number, because the mean of its divisors is an integer number (1034748).

Almost surely, 2^12027995 is an apocalyptic number.

12027995 is a deficient number, since it is larger than the sum of its proper divisors (4527973).

12027995 is an equidigital number, since it uses as much as digits as its factorization.

12027995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 12027995 is about 3468.1399914075. The cubic root of 12027995 is about 229.1207451053.

The spelling of 12027995 in words is "twelve million, twenty-seven thousand, nine hundred ninety-five".