1283633 has 8 divisors (see below), whose sum is σ = 1391208. Its totient is φ = 1177344.

The previous prime is 1283603. The next prime is 1283677. The reversal of 1283633 is 3363821.

1283633 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 4 ways, for example, as 153664 + 1129969 = 392^2 + 1063^2 .

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 1283633 - 2²⁰ = 235057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3641 + ... + 3977.

It is an arithmetic number, because the mean of its divisors is an integer number (173901).

2^1283633 is an apocalyptic number.

1283633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1283633 is a deficient number, since it is larger than the sum of its proper divisors (107575).

1283633 is a wasteful number, since it uses less digits than its factorization.

1283633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

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

The square root of 1283633 is about 1132.9752865795. The cubic root of 1283633 is about 108.6793313721.

The spelling of 1283633 in words is "one million, two hundred eighty-three thousand, six hundred thirty-three".