12113634 has 16 divisors (see below), whose sum is σ = 26091072. Its totient is φ = 3727248.

The previous prime is 12113599. The next prime is 12113657. The reversal of 12113634 is 43631121.

It is a self number, because there is not a number n which added to its sum of digits gives 12113634.

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 7 ways as a sum of consecutive naturals, for example, 77574 + ... + 77729.

It is an arithmetic number, because the mean of its divisors is an integer number (1630692).

Almost surely, 2^12113634 is an apocalyptic number.

12113634 is an abundant number, since it is smaller than the sum of its proper divisors (13977438).

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

12113634 is a wasteful number, since it uses less digits than its factorization.

12113634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155321.

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

The square root of 12113634 is about 3480.4646241558. The cubic root of 12113634 is about 229.6632374668.

Adding to 12113634 its reverse (43631121), we get a palindrome (55744755).

The spelling of 12113634 in words is "twelve million, one hundred thirteen thousand, six hundred thirty-four".