12011995 has 8 divisors (see below), whose sum is σ = 14563584. Its totient is φ = 9510144.

The previous prime is 12011983. The next prime is 12012017. The reversal of 12011995 is 59911021.

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

It is a cyclic number.

It is not a de Polignac number, because 12011995 - 2²¹ = 9914843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11899 + ... + 12868.

It is an arithmetic number, because the mean of its divisors is an integer number (1820448).

Almost surely, 2^12011995 is an apocalyptic number.

12011995 is a deficient number, since it is larger than the sum of its proper divisors (2551589).

12011995 is an equidigital number, since it uses as much as digits as its factorization.

12011995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24869.

The product of its (nonzero) digits is 810, while the sum is 28.

The square root of 12011995 is about 3465.8325118217. The cubic root of 12011995 is about 229.0191055931.

The spelling of 12011995 in words is "twelve million, eleven thousand, nine hundred ninety-five".