11607885 has 12 divisors (see below), whose sum is σ = 20120412. Its totient is φ = 6190848.

The previous prime is 11607881. The next prime is 11607907. The reversal of 11607885 is 58870611.

It can be written as a sum of positive squares in 2 ways, for example, as 2499561 + 9108324 = 1581^2 + 3018^2 .

It is not a de Polignac number, because 11607885 - 2² = 11607881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11607881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128932 + ... + 129021.

It is an arithmetic number, because the mean of its divisors is an integer number (1676701).

Almost surely, 2^11607885 is an apocalyptic number.

11607885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11607885 is a deficient number, since it is larger than the sum of its proper divisors (8512527).

11607885 is a wasteful number, since it uses less digits than its factorization.

11607885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257964 (or 257961 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 11607885 is about 3407.0346343998. The cubic root of 11607885 is about 226.4215186483.

It can be divided in two parts, 1160 and 7885, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 11607885 in words is "eleven million, six hundred seven thousand, eight hundred eighty-five".