12746836 has 6 divisors (see below), whose sum is σ = 22306970. Its totient is φ = 6373416.

The previous prime is 12746819. The next prime is 12746837. The reversal of 12746836 is 63864721.

It can be written as a sum of positive squares in only one way, i.e., 12744900 + 1936 = 3570^2 + 44^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12746795 and 12746804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12746837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1593351 + ... + 1593358.

Almost surely, 2^12746836 is an apocalyptic number.

It is an amenable number.

12746836 is a deficient number, since it is larger than the sum of its proper divisors (9560134).

12746836 is a wasteful number, since it uses less digits than its factorization.

12746836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186713 (or 3186711 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 12746836 is about 3570.2711381630. The cubic root of 12746836 is about 233.5971103117.

The spelling of 12746836 in words is "twelve million, seven hundred forty-six thousand, eight hundred thirty-six".