11810436 has 48 divisors (see below), whose sum is σ = 30336768. Its totient is φ = 3546400.

The previous prime is 11810401. The next prime is 11810441. The reversal of 11810436 is 63401811.

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, 16951 + ... + 17633.

It is an arithmetic number, because the mean of its divisors is an integer number (632016).

Almost surely, 2^11810436 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 11810436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15168384).

11810436 is an abundant number, since it is smaller than the sum of its proper divisors (18526332).

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

11810436 is a wasteful number, since it uses less digits than its factorization.

11810436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 830 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 11810436 is about 3436.6314902823. The cubic root of 11810436 is about 227.7309075262.

It can be divided in two parts, 11810 and 436, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 11810436 in words is "eleven million, eight hundred ten thousand, four hundred thirty-six".