12772326 has 32 divisors (see below), whose sum is σ = 29986560. Its totient is φ = 3550176.

The previous prime is 12772307. The next prime is 12772339. The reversal of 12772326 is 62327721.

It is a super-2 number, since 2×12772326² = 326264622900552, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12772293 and 12772302.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2556 + ... + 5663.

It is an arithmetic number, because the mean of its divisors is an integer number (937080).

Almost surely, 2^12772326 is an apocalyptic number.

12772326 is an abundant number, since it is smaller than the sum of its proper divisors (17214234).

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

12772326 is a wasteful number, since it uses less digits than its factorization.

12772326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8268.

The product of its digits is 7056, while the sum is 30.

The square root of 12772326 is about 3573.8391122153. The cubic root of 12772326 is about 233.7527156118.

The spelling of 12772326 in words is "twelve million, seven hundred seventy-two thousand, three hundred twenty-six".