12660836 has 6 divisors (see below), whose sum is σ = 22156470. Its totient is φ = 6330416.

The previous prime is 12660829. The next prime is 12660847. The reversal of 12660836 is 63806621.

It can be written as a sum of positive squares in only one way, i.e., 7398400 + 5262436 = 2720^2 + 2294^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1582601 + ... + 1582608.

It is an arithmetic number, because the mean of its divisors is an integer number (3692745).

Almost surely, 2^12660836 is an apocalyptic number.

It is an amenable number.

12660836 is a deficient number, since it is larger than the sum of its proper divisors (9495634).

12660836 is a wasteful number, since it uses less digits than its factorization.

12660836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165213 (or 3165211 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 12660836 is about 3558.2068517724. The cubic root of 12660836 is about 233.0705822379.

The spelling of 12660836 in words is "twelve million, six hundred sixty thousand, eight hundred thirty-six".