12786907 has 8 divisors (see below), whose sum is σ = 15473376. Its totient is φ = 10315392.

The previous prime is 12786901. The next prime is 12786913. The reversal of 12786907 is 70968721.

It is an interprime number because it is at equal distance from previous prime (12786901) and next prime (12786913).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12786907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12786907.

It is not an unprimeable number, because it can be changed into a prime (12786901) 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 7 ways as a sum of consecutive naturals, for example, 53608 + ... + 53845.

It is an arithmetic number, because the mean of its divisors is an integer number (1934172).

Almost surely, 2^12786907 is an apocalyptic number.

12786907 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12786907 is a deficient number, since it is larger than the sum of its proper divisors (2686469).

12786907 is a wasteful number, since it uses less digits than its factorization.

12786907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107477.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 12786907 is about 3575.8784934614. The cubic root of 12786907 is about 233.8416331713.

The spelling of 12786907 in words is "twelve million, seven hundred eighty-six thousand, nine hundred seven".