13636434 has 32 divisors (see below), whose sum is σ = 31703040. Its totient is φ = 3829392.

The previous prime is 13636429. The next prime is 13636451. The reversal of 13636434 is 43463631.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274 + ... + 5229.

It is an arithmetic number, because the mean of its divisors is an integer number (990720).

Almost surely, 2^13636434 is an apocalyptic number.

13636434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13636434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15851520).

13636434 is an abundant number, since it is smaller than the sum of its proper divisors (18066606).

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

13636434 is a wasteful number, since it uses less digits than its factorization.

13636434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574.

The product of its digits is 15552, while the sum is 30.

The square root of 13636434 is about 3692.7542566491. The cubic root of 13636434 is about 238.9096020820.

The spelling of 13636434 in words is "thirteen million, six hundred thirty-six thousand, four hundred thirty-four".