11713240 has 64 divisors (see below), whose sum is σ = 32866560. Its totient is φ = 3649920.

The previous prime is 11713237. The next prime is 11713277. The reversal of 11713240 is 4231711.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1179 + ... + 4981.

It is an arithmetic number, because the mean of its divisors is an integer number (513540).

Almost surely, 2^11713240 is an apocalyptic number.

11713240 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 11713240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16433280).

11713240 is an abundant number, since it is smaller than the sum of its proper divisors (21153320).

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

11713240 is a wasteful number, since it uses less digits than its factorization.

11713240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832 (or 3828 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11713240 is about 3422.4611027739. The cubic root of 11713240 is about 227.1044691117.

Adding to 11713240 its reverse (4231711), we get a palindrome (15944951).

The spelling of 11713240 in words is "eleven million, seven hundred thirteen thousand, two hundred forty".