11920740 has 192 divisors, whose sum is σ = 40642560. Its totient is φ = 2580480.

The previous prime is 11920721. The next prime is 11920747. The reversal of 11920740 is 4702911.

It is a self number, because there is not a number n which added to its sum of digits gives 11920740.

It is not an unprimeable number, because it can be changed into a prime (11920747) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 384525 + ... + 384555.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

Almost surely, 2^11920740 is an apocalyptic number.

11920740 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 11920740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20321280).

11920740 is an abundant number, since it is smaller than the sum of its proper divisors (28721820).

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

11920740 is a wasteful number, since it uses less digits than its factorization.

11920740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 11920740 is about 3452.6424662858. The cubic root of 11920740 is about 228.4376788194.

The spelling of 11920740 in words is "eleven million, nine hundred twenty thousand, seven hundred forty".