11709380 has 24 divisors (see below), whose sum is σ = 24904320. Its totient is φ = 4623840.

The previous prime is 11709367. The next prime is 11709407. The reversal of 11709380 is 8390711.

11709380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (1037680).

Almost surely, 2^11709380 is an apocalyptic number.

11709380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11709380 is an abundant number, since it is smaller than the sum of its proper divisors (13194940).

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

11709380 is a wasteful number, since it uses less digits than its factorization.

11709380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7499 (or 7497 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 11709380 is about 3421.8971346316. The cubic root of 11709380 is about 227.0795195798.

The spelling of 11709380 in words is "eleven million, seven hundred nine thousand, three hundred eighty".