11968520 has 16 divisors (see below), whose sum is σ = 26929260. Its totient is φ = 4787392.

The previous prime is 11968507. The next prime is 11968547. The reversal of 11968520 is 2586911.

It can be written as a sum of positive squares in 2 ways, for example, as 10797796 + 1170724 = 3286^2 + 1082^2 .

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, 149567 + ... + 149646.

Almost surely, 2^11968520 is an apocalyptic number.

11968520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11968520 is an abundant number, since it is smaller than the sum of its proper divisors (14960740).

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

11968520 is a wasteful number, since it uses less digits than its factorization.

11968520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299224 (or 299220 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 11968520 is about 3459.5548846636. The cubic root of 11968520 is about 228.7424753913.

The spelling of 11968520 in words is "eleven million, nine hundred sixty-eight thousand, five hundred twenty".