12754728 has 48 divisors (see below), whose sum is σ = 39480480. Its totient is φ = 3644064.

The previous prime is 12754727. The next prime is 12754741. The reversal of 12754728 is 82745721.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12754692 and 12754701.

It is not an unprimeable number, because it can be changed into a prime (12754727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12150 + ... + 13157.

It is an arithmetic number, because the mean of its divisors is an integer number (822510).

Almost surely, 2^12754728 is an apocalyptic number.

12754728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12754728 is an abundant number, since it is smaller than the sum of its proper divisors (26725752).

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

12754728 is a wasteful number, since it uses less digits than its factorization.

12754728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25326 (or 25319 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 12754728 is about 3571.3762053304. The cubic root of 12754728 is about 233.6453096729.

The spelling of 12754728 in words is "twelve million, seven hundred fifty-four thousand, seven hundred twenty-eight".