13429836 has 72 divisors (see below), whose sum is σ = 39180960. Its totient is φ = 3799296.

The previous prime is 13429811. The next prime is 13429841. The reversal of 13429836 is 63892431.

13429836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13429836.

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, 34330 + ... + 34718.

It is an arithmetic number, because the mean of its divisors is an integer number (544180).

Almost surely, 2^13429836 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 13429836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19590480).

13429836 is an abundant number, since it is smaller than the sum of its proper divisors (25751124).

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

13429836 is a wasteful number, since it uses less digits than its factorization.

13429836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543 (or 538 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 13429836 is about 3664.6740646339. The cubic root of 13429836 is about 237.6969284493.

The spelling of 13429836 in words is "thirteen million, four hundred twenty-nine thousand, eight hundred thirty-six".