12907726 has 64 divisors (see below), whose sum is σ = 24494400. Its totient is φ = 5031936.

The previous prime is 12907723. The next prime is 12907733. The reversal of 12907726 is 62770921.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 12907691 and 12907700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12907723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243516 + ... + 243568.

It is an arithmetic number, because the mean of its divisors is an integer number (382725).

Almost surely, 2^12907726 is an apocalyptic number.

12907726 is a deficient number, since it is larger than the sum of its proper divisors (11586674).

12907726 is a wasteful number, since it uses less digits than its factorization.

12907726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 12907726 is about 3592.7323863600. The cubic root of 12907726 is about 234.5758215030.

The spelling of 12907726 in words is "twelve million, nine hundred seven thousand, seven hundred twenty-six".