13534236 has 48 divisors (see below), whose sum is σ = 35431200. Its totient is φ = 4467456.

The previous prime is 13534231. The next prime is 13534247. The reversal of 13534236 is 63243531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13534231) 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, 11650 + ... + 12758.

It is an arithmetic number, because the mean of its divisors is an integer number (738150).

Almost surely, 2^13534236 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 13534236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17715600).

13534236 is an abundant number, since it is smaller than the sum of its proper divisors (21896964).

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

13534236 is a wasteful number, since it uses less digits than its factorization.

13534236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1227 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 13534236 is about 3678.8905936437. The cubic root of 13534236 is about 238.3112703372.

Adding to 13534236 its reverse (63243531), we get a palindrome (76777767).

The spelling of 13534236 in words is "thirteen million, five hundred thirty-four thousand, two hundred thirty-six".