11652240 has 80 divisors (see below), whose sum is σ = 36926208. Its totient is φ = 3038208.

The previous prime is 11652239. The next prime is 11652253. The reversal of 11652240 is 4225611.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10764 + ... + 11796.

Almost surely, 2^11652240 is an apocalyptic number.

11652240 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 11652240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18463104).

11652240 is an abundant number, since it is smaller than the sum of its proper divisors (25273968).

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

11652240 is a wasteful number, since it uses less digits than its factorization.

11652240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 11652240 is about 3413.5377542954. The cubic root of 11652240 is about 226.7095459056.

Adding to 11652240 its reverse (4225611), we get a palindrome (15877851).

The spelling of 11652240 in words is "eleven million, six hundred fifty-two thousand, two hundred forty".