12762128 has 10 divisors (see below), whose sum is σ = 24726654. Its totient is φ = 6381056.

The previous prime is 12762119. The next prime is 12762131. The reversal of 12762128 is 82126721.

It can be written as a sum of positive squares in only one way, i.e., 12166144 + 595984 = 3488^2 + 772^2 .

It is a super-2 number, since 2×12762128² = 325743822176768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12762128.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398801 + ... + 398832.

Almost surely, 2^12762128 is an apocalyptic number.

It is an amenable number.

12762128 is a deficient number, since it is larger than the sum of its proper divisors (11964526).

12762128 is an equidigital number, since it uses as much as digits as its factorization.

12762128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797641 (or 797635 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 12762128 is about 3572.4120702965. The cubic root of 12762128 is about 233.6904861499.

Adding to 12762128 its reverse (82126721), we get a palindrome (94888849).

The spelling of 12762128 in words is "twelve million, seven hundred sixty-two thousand, one hundred twenty-eight".