11903680 has 28 divisors (see below), whose sum is σ = 28346400. Its totient is φ = 4761344.

The previous prime is 11903669. The next prime is 11903687. The reversal of 11903680 is 8630911.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11903687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18280 + ... + 18919.

Almost surely, 2^11903680 is an apocalyptic number.

11903680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11903680 is an abundant number, since it is smaller than the sum of its proper divisors (16442720).

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

11903680 is an equidigital number, since it uses as much as digits as its factorization.

11903680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37216 (or 37206 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 11903680 is about 3450.1710102544. The cubic root of 11903680 is about 228.3286529431.

The spelling of 11903680 in words is "eleven million, nine hundred three thousand, six hundred eighty".