1263884 has 12 divisors (see below), whose sum is σ = 2233224. Its totient is φ = 625824.

The previous prime is 1263863. The next prime is 1263887. The reversal of 1263884 is 4883621.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1263884.

It is not an unprimeable number, because it can be changed into a prime (1263887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049 + ... + 1904.

It is an arithmetic number, because the mean of its divisors is an integer number (186102).

2^1263884 is an apocalyptic number.

It is an amenable number.

1263884 is a deficient number, since it is larger than the sum of its proper divisors (969340).

1263884 is a wasteful number, since it uses less digits than its factorization.

1263884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064 (or 3062 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 1263884 is about 1124.2259559359. The cubic root of 1263884 is about 108.1190958719.

The spelling of 1263884 in words is "one million, two hundred sixty-three thousand, eight hundred eighty-four".