12756007 has 16 divisors (see below), whose sum is σ = 14671872. Its totient is φ = 10977120.

The previous prime is 12755989. The next prime is 12756013. The reversal of 12756007 is 70065721.

It is not a de Polignac number, because 12756007 - 2¹⁵ = 12723239 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 (12756017) 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, 31933 + ... + 32329.

It is an arithmetic number, because the mean of its divisors is an integer number (916992).

Almost surely, 2^12756007 is an apocalyptic number.

12756007 is a deficient number, since it is larger than the sum of its proper divisors (1915865).

12756007 is a wasteful number, since it uses less digits than its factorization.

12756007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 12756007 is about 3571.5552634672. Note that the first 3 decimals coincide. The cubic root of 12756007 is about 233.6531191264.

It can be divided in two parts, 127 and 56007, that multiplied together give a square (7112889 = 2667²).

The spelling of 12756007 in words is "twelve million, seven hundred fifty-six thousand, seven".