12766630 has 16 divisors (see below), whose sum is σ = 23020704. Its totient is φ = 5097600.

The previous prime is 12766603. The next prime is 12766639. The reversal of 12766630 is 3666721.

12766630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12766592 and 12766601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12766639) 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, 10030 + ... + 11230.

It is an arithmetic number, because the mean of its divisors is an integer number (1438794).

Almost surely, 2^12766630 is an apocalyptic number.

12766630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12766630 is a deficient number, since it is larger than the sum of its proper divisors (10254074).

12766630 is a wasteful number, since it uses less digits than its factorization.

12766630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 12766630 is about 3573.0421212183. The cubic root of 12766630 is about 233.7179619983.

Subtracting from 12766630 its reverse (3666721), we obtain a palindrome (9099909).

The spelling of 12766630 in words is "twelve million, seven hundred sixty-six thousand, six hundred thirty".