12830751 has 16 divisors (see below), whose sum is σ = 19102720. Its totient is φ = 8511480.

The previous prime is 12830747. The next prime is 12830761. The reversal of 12830751 is 15703821.

12830751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12830751 - 2² = 12830747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12830761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4956 + ... + 7086.

It is an arithmetic number, because the mean of its divisors is an integer number (1193920).

Almost surely, 2^12830751 is an apocalyptic number.

12830751 is a deficient number, since it is larger than the sum of its proper divisors (6271969).

12830751 is a wasteful number, since it uses less digits than its factorization.

12830751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 12830751 is about 3582.0037688422. The cubic root of 12830751 is about 234.1085952230.

Subtracting from 12830751 its sum of digits (27), we obtain a square (12830724 = 3582²).

The spelling of 12830751 in words is "twelve million, eight hundred thirty thousand, seven hundred fifty-one".