12751904 has 48 divisors (see below), whose sum is σ = 29012256. Its totient is φ = 5452800.

The previous prime is 12751901. The next prime is 12751919. The reversal of 12751904 is 40915721.

It is a super-2 number, since 2×12751904² = 325222111250432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12751901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4919 + ... + 7049.

It is an arithmetic number, because the mean of its divisors is an integer number (604422).

Almost surely, 2^12751904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12751904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14506128).

12751904 is an abundant number, since it is smaller than the sum of its proper divisors (16260352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12751904 is a wasteful number, since it uses less digits than its factorization.

12751904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169 (or 2161 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 12751904 is about 3570.9808176466. The cubic root of 12751904 is about 233.6280647460.

The spelling of 12751904 in words is "twelve million, seven hundred fifty-one thousand, nine hundred four".