12745751 has 8 divisors (see below), whose sum is σ = 13488000. Its totient is φ = 12010680.

The previous prime is 12745739. The next prime is 12745753. The reversal of 12745751 is 15754721.

12745751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12745751 - 2²² = 8551447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12745753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2096 + ... + 5466.

It is an arithmetic number, because the mean of its divisors is an integer number (1686000).

Almost surely, 2^12745751 is an apocalyptic number.

12745751 is a deficient number, since it is larger than the sum of its proper divisors (742249).

12745751 is a wasteful number, since it uses less digits than its factorization.

12745751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589.

The product of its digits is 9800, while the sum is 32.

The square root of 12745751 is about 3570.1191856855. The cubic root of 12745751 is about 233.5904822602.

The spelling of 12745751 in words is "twelve million, seven hundred forty-five thousand, seven hundred fifty-one".