13611234 has 64 divisors (see below), whose sum is σ = 33981696. Its totient is φ = 3538944.

The previous prime is 13611229. The next prime is 13611259. The reversal of 13611234 is 43211631.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 13611234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52834 + ... + 53090.

It is an arithmetic number, because the mean of its divisors is an integer number (530964).

Almost surely, 2^13611234 is an apocalyptic number.

13611234 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 13611234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16990848).

13611234 is an abundant number, since it is smaller than the sum of its proper divisors (20370462).

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

13611234 is a wasteful number, since it uses less digits than its factorization.

13611234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379.

The product of its digits is 432, while the sum is 21.

The square root of 13611234 is about 3689.3405914879. The cubic root of 13611234 is about 238.7623437785.

Adding to 13611234 its reverse (43211631), we get a palindrome (56822865).

The spelling of 13611234 in words is "thirteen million, six hundred eleven thousand, two hundred thirty-four".