12751630 has 16 divisors (see below), whose sum is σ = 22993920. Its totient is φ = 5091552.

The previous prime is 12751601. The next prime is 12751639. The reversal of 12751630 is 3615721.

It is a junction number, because it is equal to n+sod(n) for n = 12751595 and 12751604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12751639) 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, 9331 + ... + 10609.

It is an arithmetic number, because the mean of its divisors is an integer number (1437120).

Almost surely, 2^12751630 is an apocalyptic number.

12751630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12751630 is a deficient number, since it is larger than the sum of its proper divisors (10242290).

12751630 is a wasteful number, since it uses less digits than its factorization.

12751630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12751630 is about 3570.9424526307. The cubic root of 12751630 is about 233.6263914129.

The spelling of 12751630 in words is "twelve million, seven hundred fifty-one thousand, six hundred thirty".