12751430 has 16 divisors (see below), whose sum is σ = 23950944. Its totient is φ = 4878720.

The previous prime is 12751397. The next prime is 12751439. The reversal of 12751430 is 3415721.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 12751396 and 12751405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12751439) 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, 27491 + ... + 27950.

It is an arithmetic number, because the mean of its divisors is an integer number (1496934).

Almost surely, 2^12751430 is an apocalyptic number.

12751430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12751430 is a deficient number, since it is larger than the sum of its proper divisors (11199514).

12751430 is a wasteful number, since it uses less digits than its factorization.

12751430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55471.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 12751430 is about 3570.9144487092. The cubic root of 12751430 is about 233.6251699868.

The spelling of 12751430 in words is "twelve million, seven hundred fifty-one thousand, four hundred thirty".