1263383 has 8 divisors (see below), whose sum is σ = 1410816. Its totient is φ = 1121400.

The previous prime is 1263377. The next prime is 1263391. The reversal of 1263383 is 3833621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1263383 - 2⁶ = 1263319 is a prime.

It is a super-2 number, since 2×1263383² = 3192273209378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863 + ... + 1808.

It is an arithmetic number, because the mean of its divisors is an integer number (176352).

2^1263383 is an apocalyptic number.

1263383 is a deficient number, since it is larger than the sum of its proper divisors (147433).

1263383 is a wasteful number, since it uses less digits than its factorization.

1263383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725.

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

The square root of 1263383 is about 1124.0031138747. The cubic root of 1263383 is about 108.1048079505.

The spelling of 1263383 in words is "one million, two hundred sixty-three thousand, three hundred eighty-three".