2012881 has 8 divisors (see below), whose sum is σ = 2201024. Its totient is φ = 1829520.

The previous prime is 2012849. The next prime is 2012893. The reversal of 2012881 is 1882102.

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 2012881 - 2⁵ = 2012849 is a prime.

It is a super-2 number, since 2×2012881² = 8103379840322, which contains 22 as substring.

It is a Duffinian number.

2012881 is a lucky number.

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012821) 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 7 ways as a sum of consecutive naturals, for example, 285 + ... + 2026.

It is an arithmetic number, because the mean of its divisors is an integer number (275128).

2^2012881 is an apocalyptic number.

It is an amenable number.

2012881 is a deficient number, since it is larger than the sum of its proper divisors (188143).

2012881 is a wasteful number, since it uses less digits than its factorization.

2012881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 2012881 is about 1418.7603744114. The cubic root of 2012881 is about 126.2620104249.

Adding to 2012881 its reverse (1882102), we get a palindrome (3894983).

The spelling of 2012881 in words is "two million, twelve thousand, eight hundred eighty-one".