4012187 has 6 divisors (see below), whose sum is σ = 4262388. Its totient is φ = 3775904.

The previous prime is 4012171. The next prime is 4012193. The reversal of 4012187 is 7812104.

It is not a de Polignac number, because 4012187 - 2⁴ = 4012171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4012147) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 6653 + ... + 7230.

It is an arithmetic number, because the mean of its divisors is an integer number (710398).

Almost surely, 2^4012187 is an apocalyptic number.

4012187 is a deficient number, since it is larger than the sum of its proper divisors (250201).

4012187 is a wasteful number, since it uses less digits than its factorization.

4012187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13917 (or 13900 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 4012187 is about 2003.0444328571. The cubic root of 4012187 is about 158.9011555525.

The spelling of 4012187 in words is "four million, twelve thousand, one hundred eighty-seven".