11780873 has 8 divisors (see below), whose sum is σ = 13125000. Its totient is φ = 10499328.

The previous prime is 11780863. The next prime is 11780887. The reversal of 11780873 is 37808711.

It can be written as a sum of positive squares in 4 ways, for example, as 937024 + 10843849 = 968^2 + 3293^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11780873 - 2⁸ = 11780617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11780833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15248 + ... + 16001.

It is an arithmetic number, because the mean of its divisors is an integer number (1640625).

Almost surely, 2^11780873 is an apocalyptic number.

11780873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11780873 is a deficient number, since it is larger than the sum of its proper divisors (1344127).

11780873 is a wasteful number, since it uses less digits than its factorization.

11780873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31291.

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 11780873 is about 3432.3276358763. The cubic root of 11780873 is about 227.5407357719.

The spelling of 11780873 in words is "eleven million, seven hundred eighty thousand, eight hundred seventy-three".