11884545 has 12 divisors (see below), whose sum is σ = 20599956. Its totient is φ = 6338400.

The previous prime is 11884541. The next prime is 11884553. The reversal of 11884545 is 54548811.

It can be written as a sum of positive squares in 2 ways, for example, as 3779136 + 8105409 = 1944^2 + 2847^2 .

It is not a de Polignac number, because 11884545 - 2² = 11884541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11884541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132006 + ... + 132095.

It is an arithmetic number, because the mean of its divisors is an integer number (1716663).

Almost surely, 2^11884545 is an apocalyptic number.

11884545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11884545 is a deficient number, since it is larger than the sum of its proper divisors (8715411).

11884545 is a wasteful number, since it uses less digits than its factorization.

11884545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264112 (or 264109 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 11884545 is about 3447.3968439969. The cubic root of 11884545 is about 228.2062422841.

The spelling of 11884545 in words is "eleven million, eight hundred eighty-four thousand, five hundred forty-five".