2712381 has 16 divisors (see below), whose sum is σ = 4212864. Its totient is φ = 1520064.

The previous prime is 2712379. The next prime is 2712389. The reversal of 2712381 is 1832172.

It is not a de Polignac number, because 2712381 - 2¹ = 2712379 is a prime.

It is a super-2 number, since 2×2712381² = 14714021378322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2712389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106 + ... + 2331.

It is an arithmetic number, because the mean of its divisors is an integer number (263304).

2^2712381 is an apocalyptic number.

2712381 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2712381 is a deficient number, since it is larger than the sum of its proper divisors (1500483).

2712381 is a wasteful number, since it uses less digits than its factorization.

2712381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500.

The product of its digits is 672, while the sum is 24.

The square root of 2712381 is about 1646.9307817877. The cubic root of 2712381 is about 139.4601831354.

The spelling of 2712381 in words is "two million, seven hundred twelve thousand, three hundred eighty-one".