11659240 has 16 divisors (see below), whose sum is σ = 26233380. Its totient is φ = 4663680.

The previous prime is 11659231. The next prime is 11659253. The reversal of 11659240 is 4295611.

It can be written as a sum of positive squares in 2 ways, for example, as 11655396 + 3844 = 3414^2 + 62^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11659199 and 11659208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145701 + ... + 145780.

Almost surely, 2^11659240 is an apocalyptic number.

11659240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11659240 is an abundant number, since it is smaller than the sum of its proper divisors (14574140).

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

11659240 is a wasteful number, since it uses less digits than its factorization.

11659240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291492 (or 291488 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 11659240 is about 3414.5629295709. The cubic root of 11659240 is about 226.7549348649.

The spelling of 11659240 in words is "eleven million, six hundred fifty-nine thousand, two hundred forty".