11747320 has 128 divisors (see below), whose sum is σ = 31752000. Its totient is φ = 3870720.

The previous prime is 11747317. The next prime is 11747341. The reversal of 11747320 is 2374711.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286500 + ... + 286540.

Almost surely, 2^11747320 is an apocalyptic number.

11747320 is a gapful number since it is divisible by the number (10) 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 11747320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15876000).

11747320 is an abundant number, since it is smaller than the sum of its proper divisors (20004680).

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

11747320 is a wasteful number, since it uses less digits than its factorization.

11747320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 11747320 is about 3427.4363597301. The cubic root of 11747320 is about 227.3245114485.

The spelling of 11747320 in words is "eleven million, seven hundred forty-seven thousand, three hundred twenty".