12750681 has 16 divisors (see below), whose sum is σ = 17563904. Its totient is φ = 8221824.

The previous prime is 12750659. The next prime is 12750701. The reversal of 12750681 is 18605721.

12750681 = T₉₃ + T₉₄ + ... + T₄₂₅.

12750681 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12750681 - 2¹⁴ = 12734297 is a prime.

It is a super-2 number, since 2×12750681² = 325159731927522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12750601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34560 + ... + 34926.

It is an arithmetic number, because the mean of its divisors is an integer number (1097744).

Almost surely, 2^12750681 is an apocalyptic number.

It is an amenable number.

12750681 is a deficient number, since it is larger than the sum of its proper divisors (4813223).

12750681 is a wasteful number, since it uses less digits than its factorization.

12750681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 12750681 is about 3570.8095720719. The cubic root of 12750681 is about 233.6205956324.

It can be divided in two parts, 12750 and 681, that added together give a palindrome (13431).

The spelling of 12750681 in words is "twelve million, seven hundred fifty thousand, six hundred eighty-one".