11948436 has 36 divisors (see below), whose sum is σ = 30703764. Its totient is φ = 3916800.

The previous prime is 11948413. The next prime is 11948441. The reversal of 11948436 is 63484911.

It can be written as a sum of positive squares in 2 ways, for example, as 3825936 + 8122500 = 1956^2 + 2850^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11948436.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525 + ... + 4916.

Almost surely, 2^11948436 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 11948436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15351882).

11948436 is an abundant number, since it is smaller than the sum of its proper divisors (18755328).

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

11948436 is a wasteful number, since it uses less digits than its factorization.

11948436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512 (or 5507 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 11948436 is about 3456.6509803566. The cubic root of 11948436 is about 228.6144552185.

The spelling of 11948436 in words is "eleven million, nine hundred forty-eight thousand, four hundred thirty-six".