2761312 has 12 divisors (see below), whose sum is σ = 5436396. Its totient is φ = 1380640.

The previous prime is 2761307. The next prime is 2761333. The reversal of 2761312 is 2131672.

It is a super-2 number, since 2×2761312² = 15249687922688, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43114 + ... + 43177.

It is an arithmetic number, because the mean of its divisors is an integer number (453033).

2^2761312 is an apocalyptic number.

It is an amenable number.

2761312 is a deficient number, since it is larger than the sum of its proper divisors (2675084).

2761312 is an equidigital number, since it uses as much as digits as its factorization.

2761312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86301 (or 86293 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 2761312 is about 1661.7195912668. The cubic root of 2761312 is about 140.2938047571.

Adding to 2761312 its reverse (2131672), we get a palindrome (4892984).

The spelling of 2761312 in words is "two million, seven hundred sixty-one thousand, three hundred twelve".