11968240 has 20 divisors (see below), whose sum is σ = 27826344. Its totient is φ = 4787264.

The previous prime is 11968217. The next prime is 11968321. The reversal of 11968240 is 4286911.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 74722 + ... + 74881.

Almost surely, 2^11968240 is an apocalyptic number.

11968240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11968240 is an abundant number, since it is smaller than the sum of its proper divisors (15858104).

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

11968240 is a wasteful number, since it uses less digits than its factorization.

11968240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149616 (or 149610 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 11968240 is about 3459.5144167932. The cubic root of 11968240 is about 228.7406915897.

The spelling of 11968240 in words is "eleven million, nine hundred sixty-eight thousand, two hundred forty".