1266344 has 8 divisors (see below), whose sum is σ = 2374410. Its totient is φ = 633168.

The previous prime is 1266341. The next prime is 1266359. The reversal of 1266344 is 4436621.

It can be written as a sum of positive squares in only one way, i.e., 828100 + 438244 = 910^2 + 662^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1266341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79139 + ... + 79154.

2^1266344 is an apocalyptic number.

It is an amenable number.

1266344 is a deficient number, since it is larger than the sum of its proper divisors (1108066).

1266344 is a wasteful number, since it uses less digits than its factorization.

1266344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158299 (or 158295 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 1266344 is about 1125.3195101837. The cubic root of 1266344 is about 108.1891974004.

The spelling of 1266344 in words is "one million, two hundred sixty-six thousand, three hundred forty-four".