13853436 has 48 divisors (see below), whose sum is σ = 34836480. Its totient is φ = 4268800.

The previous prime is 13853431. The next prime is 13853459. The reversal of 13853436 is 63435831.

It is a junction number, because it is equal to n+sod(n) for n = 13853397 and 13853406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13853431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11461 + ... + 12611.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^13853436 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 13853436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17418240).

13853436 is an abundant number, since it is smaller than the sum of its proper divisors (20983044).

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

13853436 is a wasteful number, since it uses less digits than its factorization.

13853436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1232 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 13853436 is about 3722.0204190735. The cubic root of 13853436 is about 240.1702264560.

The spelling of 13853436 in words is "thirteen million, eight hundred fifty-three thousand, four hundred thirty-six".