12818907 has 6 divisors (see below), whose sum is σ = 18516212. Its totient is φ = 8545932.

The previous prime is 12818887. The next prime is 12818929. The reversal of 12818907 is 70981821.

It is not a de Polignac number, because 12818907 - 2¹⁵ = 12786139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12818807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 712153 + ... + 712170.

Almost surely, 2^12818907 is an apocalyptic number.

12818907 is a deficient number, since it is larger than the sum of its proper divisors (5697305).

12818907 is a wasteful number, since it uses less digits than its factorization.

12818907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424329 (or 1424326 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 12818907 is about 3580.3501225439. The cubic root of 12818907 is about 234.0365382348.

The spelling of 12818907 in words is "twelve million, eight hundred eighteen thousand, nine hundred seven".