12087011 has 4 divisors (see below), whose sum is σ = 12149832. Its totient is φ = 12024192.

The previous prime is 12087007. The next prime is 12087013. The reversal of 12087011 is 11078021.

12087011 = T₂₅₃ + T₂₅₄ + ... + T₄₄₅.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12087011 - 2² = 12087007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12087013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31121 + ... + 31506.

It is an arithmetic number, because the mean of its divisors is an integer number (3037458).

Almost surely, 2^12087011 is an apocalyptic number.

12087011 is a deficient number, since it is larger than the sum of its proper divisors (62821).

12087011 is an equidigital number, since it uses as much as digits as its factorization.

12087011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62820.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 12087011 is about 3476.6378873849. The cubic root of 12087011 is about 229.4948649497.

The spelling of 12087011 in words is "twelve million, eighty-seven thousand, eleven".