1266316 has 12 divisors (see below), whose sum is σ = 2228688. Its totient is φ = 629552.

The previous prime is 1266301. The next prime is 1266323. The reversal of 1266316 is 6136621.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16 + ... + 1591.

It is an arithmetic number, because the mean of its divisors is an integer number (185724).

2^1266316 is an apocalyptic number.

It is an amenable number.

1266316 is a deficient number, since it is larger than the sum of its proper divisors (962372).

1266316 is a wasteful number, since it uses less digits than its factorization.

1266316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808 (or 1806 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 1266316 is about 1125.3070692038. The cubic root of 1266316 is about 108.1884000078.

The spelling of 1266316 in words is "one million, two hundred sixty-six thousand, three hundred sixteen".