12751442 has 8 divisors (see below), whose sum is σ = 20866032. Its totient is φ = 5796100.

The previous prime is 12751441. The next prime is 12751457. The reversal of 12751442 is 24415721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12751441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289784 + ... + 289827.

It is an arithmetic number, because the mean of its divisors is an integer number (2608254).

Almost surely, 2^12751442 is an apocalyptic number.

12751442 is a deficient number, since it is larger than the sum of its proper divisors (8114590).

12751442 is a wasteful number, since it uses less digits than its factorization.

12751442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579624.

The product of its digits is 2240, while the sum is 26.

The square root of 12751442 is about 3570.9161289507. The cubic root of 12751442 is about 233.6252432727.

The spelling of 12751442 in words is "twelve million, seven hundred fifty-one thousand, four hundred forty-two".