4012782 has 16 divisors (see below), whose sum is σ = 8497872. Its totient is φ = 1258880.

The previous prime is 4012769. The next prime is 4012783. The reversal of 4012782 is 2872104.

It is a super-2 number, since 2×4012782² = 32204838759048, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19569 + ... + 19772.

It is an arithmetic number, because the mean of its divisors is an integer number (531117).

Almost surely, 2^4012782 is an apocalyptic number.

4012782 is an abundant number, since it is smaller than the sum of its proper divisors (4485090).

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

4012782 is a wasteful number, since it uses less digits than its factorization.

4012782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39363.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 4012782 is about 2003.1929512656. The cubic root of 4012782 is about 158.9090100812.

Adding to 4012782 its reverse (2872104), we get a palindrome (6884886).

The spelling of 4012782 in words is "four million, twelve thousand, seven hundred eighty-two".