11725560 has 320 divisors, whose sum is σ = 50181120. Its totient is φ = 2384640.

The previous prime is 11725547. The next prime is 11725573. The reversal of 11725560 is 6552711.

It is an interprime number because it is at equal distance from previous prime (11725547) and next prime (11725573).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 249457 + ... + 249503.

It is an arithmetic number, because the mean of its divisors is an integer number (156816).

Almost surely, 2^11725560 is an apocalyptic number.

11725560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11725560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25090560).

11725560 is an abundant number, since it is smaller than the sum of its proper divisors (38455560).

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

11725560 is a wasteful number, since it uses less digits than its factorization.

11725560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 11725560 is about 3424.2605041089. The cubic root of 11725560 is about 227.1840641306.

The spelling of 11725560 in words is "eleven million, seven hundred twenty-five thousand, five hundred sixty".