1180836 has 18 divisors (see below), whose sum is σ = 2984982. Its totient is φ = 393600.

The previous prime is 1180819. The next prime is 1180847. The reversal of 1180836 is 6380811.

It can be written as a sum of positive squares in only one way, i.e., 820836 + 360000 = 906^2 + 600^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16365 + ... + 16436.

2^1180836 is an apocalyptic number.

It is an amenable number.

1180836 is an abundant number, since it is smaller than the sum of its proper divisors (1804146).

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

1180836 is a wasteful number, since it uses less digits than its factorization.

1180836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32811 (or 32806 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1180836 is about 1086.6627811791. The cubic root of 1180836 is about 105.6971299859.

It can be divided in two parts, 1180 and 836, that added together give a triangular number (2016 = T₆₃).

The spelling of 1180836 in words is "one million, one hundred eighty thousand, eight hundred thirty-six".