11747448 has 48 divisors (see below), whose sum is σ = 32039280. Its totient is φ = 3888384.

The previous prime is 11747429. The next prime is 11747473. The reversal of 11747448 is 84474711.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11536 + ... + 12512.

It is an arithmetic number, because the mean of its divisors is an integer number (667485).

Almost surely, 2^11747448 is an apocalyptic number.

11747448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11747448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16019640).

11747448 is an abundant number, since it is smaller than the sum of its proper divisors (20291832).

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

11747448 is a wasteful number, since it uses less digits than its factorization.

11747448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156 (or 1149 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 11747448 is about 3427.4550325278. The cubic root of 11747448 is about 227.3253370959.

The spelling of 11747448 in words is "eleven million, seven hundred forty-seven thousand, four hundred forty-eight".