12733340 has 36 divisors (see below), whose sum is σ = 28418376. Its totient is φ = 4791552.

The previous prime is 12733339. The next prime is 12733351. The reversal of 12733340 is 4333721.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4679 + ... + 6881.

Almost surely, 2^12733340 is an apocalyptic number.

12733340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12733340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14209188).

12733340 is an abundant number, since it is smaller than the sum of its proper divisors (15685036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12733340 is a wasteful number, since it uses less digits than its factorization.

12733340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246 (or 2227 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 12733340 is about 3568.3805850834. The cubic root of 12733340 is about 233.5146391298.

The spelling of 12733340 in words is "twelve million, seven hundred thirty-three thousand, three hundred forty".