12733631 has 4 divisors (see below), whose sum is σ = 12846432. Its totient is φ = 12620832.

The previous prime is 12733627. The next prime is 12733673. The reversal of 12733631 is 13633721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13633721 = 811 ⋅16811.

It is a cyclic number.

It is not a de Polignac number, because 12733631 - 2² = 12733627 is a prime.

It is a super-2 number, since 2×12733631² = 324290716888322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12733631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12733691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56231 + ... + 56456.

It is an arithmetic number, because the mean of its divisors is an integer number (3211608).

Almost surely, 2^12733631 is an apocalyptic number.

12733631 is a deficient number, since it is larger than the sum of its proper divisors (112801).

12733631 is a wasteful number, since it uses less digits than its factorization.

12733631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112800.

The product of its digits is 2268, while the sum is 26.

The square root of 12733631 is about 3568.4213596491. The cubic root of 12733631 is about 233.5164179833.

The spelling of 12733631 in words is "twelve million, seven hundred thirty-three thousand, six hundred thirty-one".