12606939 has 12 divisors (see below), whose sum is σ = 18415800. Its totient is φ = 8309664.

The previous prime is 12606929. The next prime is 12606941. The reversal of 12606939 is 93960621.

12606939 is a `hidden beast` number, since 12 + 606 + 9 + 39 = 666.

It is not a de Polignac number, because 12606939 - 2⁹ = 12606427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12606929) 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 11 ways as a sum of consecutive naturals, for example, 7069 + ... + 8670.

It is an arithmetic number, because the mean of its divisors is an integer number (1534650).

Almost surely, 2^12606939 is an apocalyptic number.

12606939 is a deficient number, since it is larger than the sum of its proper divisors (5808861).

12606939 is a wasteful number, since it uses less digits than its factorization.

12606939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15834 (or 15831 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 12606939 is about 3550.6251562225. The cubic root of 12606939 is about 232.7393857674.

The spelling of 12606939 in words is "twelve million, six hundred six thousand, nine hundred thirty-nine".