11725580 has 24 divisors (see below), whose sum is σ = 26072928. Its totient is φ = 4414208.

The previous prime is 11725573. The next prime is 11725613. The reversal of 11725580 is 8552711.

11725580 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, 16904 + ... + 17583.

It is an arithmetic number, because the mean of its divisors is an integer number (1086372).

Almost surely, 2^11725580 is an apocalyptic number.

11725580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11725580 is an abundant number, since it is smaller than the sum of its proper divisors (14347348).

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

11725580 is a wasteful number, since it uses less digits than its factorization.

11725580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34513 (or 34511 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 11725580 is about 3424.2634244462. The cubic root of 11725580 is about 227.1841932979.

The spelling of 11725580 in words is "eleven million, seven hundred twenty-five thousand, five hundred eighty".