1266392 has 16 divisors (see below), whose sum is σ = 2386800. Its totient is φ = 629920.

The previous prime is 1266389. The next prime is 1266409. The reversal of 1266392 is 2936621.

It is a congruent number.

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, 2234 + ... + 2742.

It is an arithmetic number, because the mean of its divisors is an integer number (149175).

2^1266392 is an apocalyptic number.

It is an amenable number.

1266392 is a deficient number, since it is larger than the sum of its proper divisors (1120408).

1266392 is a wasteful number, since it uses less digits than its factorization.

1266392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 822 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 1266392 is about 1125.3408372578. The cubic root of 1266392 is about 108.1905643317.

The spelling of 1266392 in words is "one million, two hundred sixty-six thousand, three hundred ninety-two".