12785036 has 24 divisors (see below), whose sum is σ = 24536064. Its totient is φ = 5780880.

The previous prime is 12785023. The next prime is 12785053. The reversal of 12785036 is 63058721.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 12784993 and 12785011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9161 + ... + 10463.

It is an arithmetic number, because the mean of its divisors is an integer number (1022336).

Almost surely, 2^12785036 is an apocalyptic number.

It is an amenable number.

12785036 is a deficient number, since it is larger than the sum of its proper divisors (11751028).

12785036 is a wasteful number, since it uses less digits than its factorization.

12785036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12785036 is about 3575.6168698562. The cubic root of 12785036 is about 233.8302272585.

The spelling of 12785036 in words is "twelve million, seven hundred eighty-five thousand, thirty-six".