12733405 has 16 divisors (see below), whose sum is σ = 15934464. Its totient is φ = 9757440.

The previous prime is 12733403. The next prime is 12733429. The reversal of 12733405 is 50433721.

It is not a de Polignac number, because 12733405 - 2¹ = 12733403 is a prime.

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 12733405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12733403) 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 15 ways as a sum of consecutive naturals, for example, 17152 + ... + 17878.

It is an arithmetic number, because the mean of its divisors is an integer number (995904).

Almost surely, 2^12733405 is an apocalyptic number.

It is an amenable number.

12733405 is a deficient number, since it is larger than the sum of its proper divisors (3201059).

12733405 is a wasteful number, since it uses less digits than its factorization.

12733405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 12733405 is about 3568.3896928447. The cubic root of 12733405 is about 233.5150364705.

The spelling of 12733405 in words is "twelve million, seven hundred thirty-three thousand, four hundred five".