12943907 has 4 divisors (see below), whose sum is σ = 13069680. Its totient is φ = 12818136.

The previous prime is 12943901. The next prime is 12943927. The reversal of 12943907 is 70934921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70934921 = 23 ⋅3084127.

It is a cyclic number.

It is not a de Polignac number, because 12943907 - 2¹⁰ = 12942883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12943901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62732 + ... + 62937.

It is an arithmetic number, because the mean of its divisors is an integer number (3267420).

Almost surely, 2^12943907 is an apocalyptic number.

12943907 is a deficient number, since it is larger than the sum of its proper divisors (125773).

12943907 is a wasteful number, since it uses less digits than its factorization.

12943907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125772.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 12943907 is about 3597.7641668125. The cubic root of 12943907 is about 234.7947929448.

The spelling of 12943907 in words is "twelve million, nine hundred forty-three thousand, nine hundred seven".