1163580 has 96 divisors (see below), whose sum is σ = 3725568. Its totient is φ = 268800.

The previous prime is 1163557. The next prime is 1163581. The reversal of 1163580 is 853611.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1163580.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27039 + ... + 27081.

It is an arithmetic number, because the mean of its divisors is an integer number (38808).

2^1163580 is an apocalyptic number.

1163580 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 1163580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1862784).

1163580 is an abundant number, since it is smaller than the sum of its proper divisors (2561988).

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

1163580 is a wasteful number, since it uses less digits than its factorization.

1163580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1163580 is about 1078.6936543801. The cubic root of 1163580 is about 105.1797375038.

The spelling of 1163580 in words is "one million, one hundred sixty-three thousand, five hundred eighty".