11612440 has 64 divisors (see below), whose sum is σ = 30355200. Its totient is φ = 3915648.

The previous prime is 11612437. The next prime is 11612449. The reversal of 11612440 is 4421611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11612449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18451 + ... + 19069.

It is an arithmetic number, because the mean of its divisors is an integer number (474300).

Almost surely, 2^11612440 is an apocalyptic number.

11612440 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 11612440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15177600).

11612440 is an abundant number, since it is smaller than the sum of its proper divisors (18742760).

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

11612440 is a wasteful number, since it uses less digits than its factorization.

11612440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11612440 is about 3407.7030387051. The cubic root of 11612440 is about 226.4511311386.

The spelling of 11612440 in words is "eleven million, six hundred twelve thousand, four hundred forty".