13429888 has 32 divisors (see below), whose sum is σ = 26928000. Its totient is φ = 6671616.

The previous prime is 13429849. The next prime is 13429909. The reversal of 13429888 is 88892431.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30373 + ... + 30811.

It is an arithmetic number, because the mean of its divisors is an integer number (841500).

Almost surely, 2^13429888 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 13429888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13464000).

13429888 is an abundant number, since it is smaller than the sum of its proper divisors (13498112).

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

13429888 is an equidigital number, since it uses as much as digits as its factorization.

13429888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 680 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The square root of 13429888 is about 3664.6811593916. The cubic root of 13429888 is about 237.6972352345.

The spelling of 13429888 in words is "thirteen million, four hundred twenty-nine thousand, eight hundred eighty-eight".