13433886 has 48 divisors (see below), whose sum is σ = 31228704. Its totient is φ = 4162752.

The previous prime is 13433879. The next prime is 13433899. The reversal of 13433886 is 68833431.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13433886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14880 + ... + 15756.

It is an arithmetic number, because the mean of its divisors is an integer number (650598).

Almost surely, 2^13433886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13433886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15614352).

13433886 is an abundant number, since it is smaller than the sum of its proper divisors (17794818).

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

13433886 is a wasteful number, since it uses less digits than its factorization.

13433886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 942 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 13433886 is about 3665.2265959965. The cubic root of 13433886 is about 237.7208199251.

The spelling of 13433886 in words is "thirteen million, four hundred thirty-three thousand, eight hundred eighty-six".