2012740 has 24 divisors (see below), whose sum is σ = 4260312. Its totient is φ = 798720.

The previous prime is 2012719. The next prime is 2012741. The reversal of 2012740 is 472102.

It can be written as a sum of positive squares in 4 ways, for example, as 379456 + 1633284 = 616^2 + 1278^2 .

It is a super-2 number, since 2×2012740² = 8102244615200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2820 + ... + 3460.

It is an arithmetic number, because the mean of its divisors is an integer number (177513).

2^2012740 is an apocalyptic number.

2012740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012740 is an abundant number, since it is smaller than the sum of its proper divisors (2247572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2012740 is a wasteful number, since it uses less digits than its factorization.

2012740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 2012740 is about 1418.7106822746. The cubic root of 2012740 is about 126.2590621865.

Adding to 2012740 its reverse (472102), we get a palindrome (2484842).

The spelling of 2012740 in words is "two million, twelve thousand, seven hundred forty".