1266546 has 24 divisors (see below), whose sum is σ = 2633904. Its totient is φ = 406000.

The previous prime is 1266539. The next prime is 1266557. The reversal of 1266546 is 6456621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4921 + ... + 5171.

It is an arithmetic number, because the mean of its divisors is an integer number (109746).

2^1266546 is an apocalyptic number.

1266546 is an abundant number, since it is smaller than the sum of its proper divisors (1367358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1266546 is a wasteful number, since it uses less digits than its factorization.

1266546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 285 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 1266546 is about 1125.4092588921. The cubic root of 1266546 is about 108.1949496699.

The spelling of 1266546 in words is "one million, two hundred sixty-six thousand, five hundred forty-six".