13431704 has 64 divisors (see below), whose sum is σ = 30240000. Its totient is φ = 5512320.

The previous prime is 13431679. The next prime is 13431721. The reversal of 13431704 is 40713431.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 13431704.

It is a congruent number.

It is an unprimeable number.

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, 67397 + ... + 67595.

It is an arithmetic number, because the mean of its divisors is an integer number (472500).

Almost surely, 2^13431704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13431704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15120000).

13431704 is an abundant number, since it is smaller than the sum of its proper divisors (16808296).

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

13431704 is a wasteful number, since it uses less digits than its factorization.

13431704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 13431704 is about 3664.9289215481. The cubic root of 13431704 is about 237.7079486206.

The spelling of 13431704 in words is "thirteen million, four hundred thirty-one thousand, seven hundred four".