11622985 has 32 divisors (see below), whose sum is σ = 16671744. Its totient is φ = 7680000.

The previous prime is 11622973. The next prime is 11623013. The reversal of 11622985 is 58922611.

It is not a de Polignac number, because 11622985 - 2⁹ = 11622473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11622985.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 28785 + ... + 29185.

It is an arithmetic number, because the mean of its divisors is an integer number (520992).

Almost surely, 2^11622985 is an apocalyptic number.

11622985 is the 1705-th decagonal number.

It is an amenable number.

11622985 is a deficient number, since it is larger than the sum of its proper divisors (5048759).

11622985 is a wasteful number, since it uses less digits than its factorization.

11622985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its digits is 8640, while the sum is 34.

The square root of 11622985 is about 3409.2499175038. The cubic root of 11622985 is about 226.5196554893.

The spelling of 11622985 in words is "eleven million, six hundred twenty-two thousand, nine hundred eighty-five".