1312633 has 16 divisors (see below), whose sum is σ = 1622016. Its totient is φ = 1037520.

The previous prime is 1312603. The next prime is 1312637. The reversal of 1312633 is 3362131.

It is a cyclic number.

It is not a de Polignac number, because 1312633 - 2⁵ = 1312601 is a prime.

It is a Duffinian number.

Its product of digits (324) is a multiple of the sum of its prime divisors (324).

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 1312633.

It is not an unprimeable number, because it can be changed into a prime (1312637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4860 + ... + 5122.

It is an arithmetic number, because the mean of its divisors is an integer number (101376).

2^1312633 is an apocalyptic number.

It is an amenable number.

1312633 is a deficient number, since it is larger than the sum of its proper divisors (309383).

1312633 is a wasteful number, since it uses less digits than its factorization.

1312633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its digits is 324, while the sum is 19.

The square root of 1312633 is about 1145.7019682273. The cubic root of 1312633 is about 109.4916766329.

Adding to 1312633 its reverse (3362131), we get a palindrome (4674764).

The spelling of 1312633 in words is "one million, three hundred twelve thousand, six hundred thirty-three".