1263284 has 12 divisors (see below), whose sum is σ = 2411808. Its totient is φ = 574200.

The previous prime is 1263263. The next prime is 1263299. The reversal of 1263284 is 4823621.

1263284 = T₆₇ + T₆₈ + ... + T₁₉₈.

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, 14312 + ... + 14399.

It is an arithmetic number, because the mean of its divisors is an integer number (200984).

2^1263284 is an apocalyptic number.

It is an amenable number.

1263284 is a deficient number, since it is larger than the sum of its proper divisors (1148524).

1263284 is a wasteful number, since it uses less digits than its factorization.

1263284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28726 (or 28724 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 1263284 is about 1123.9590739880. The cubic root of 1263284 is about 108.1019841418.

The spelling of 1263284 in words is "one million, two hundred sixty-three thousand, two hundred eighty-four".