1266632 has 8 divisors (see below), whose sum is σ = 2374950. Its totient is φ = 633312.

The previous prime is 1266631. The next prime is 1266677. The reversal of 1266632 is 2366621.

It can be written as a sum of positive squares in only one way, i.e., 784996 + 481636 = 886^2 + 694^2 .

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 (1266631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79157 + ... + 79172.

2^1266632 is an apocalyptic number.

It is an amenable number.

1266632 is a deficient number, since it is larger than the sum of its proper divisors (1108318).

1266632 is a wasteful number, since it uses less digits than its factorization.

1266632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158335 (or 158331 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 1266632 is about 1125.4474665661. The cubic root of 1266632 is about 108.1973984703.

The spelling of 1266632 in words is "one million, two hundred sixty-six thousand, six hundred thirty-two".