12750072 has 16 divisors (see below), whose sum is σ = 31875240. Its totient is φ = 4250016.

The previous prime is 12750071. The next prime is 12750091. The reversal of 12750072 is 27005721.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 531253 = 12750072 / (1 + 2 + 7 + 5 + 0 + 0 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12750071) 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 3 ways as a sum of consecutive naturals, for example, 265603 + ... + 265650.

Almost surely, 2^12750072 is an apocalyptic number.

12750072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12750072 is an abundant number, since it is smaller than the sum of its proper divisors (19125168).

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

12750072 is a wasteful number, since it uses less digits than its factorization.

12750072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531262 (or 531258 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 12750072 is about 3570.7242962738. The cubic root of 12750072 is about 233.6168761655.

Adding to 12750072 its reverse (27005721), we get a palindrome (39755793).

The spelling of 12750072 in words is "twelve million, seven hundred fifty thousand, seventy-two".