11456985 has 16 divisors (see below), whose sum is σ = 18584064. Its totient is φ = 6026112.

The previous prime is 11456969. The next prime is 11456987. The reversal of 11456985 is 58965411.

It is not a de Polignac number, because 11456985 - 2⁴ = 11456969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11456987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4137 + ... + 6326.

It is an arithmetic number, because the mean of its divisors is an integer number (1161504).

Almost surely, 2^11456985 is an apocalyptic number.

11456985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11456985 is a deficient number, since it is larger than the sum of its proper divisors (7127079).

11456985 is a wasteful number, since it uses less digits than its factorization.

11456985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544.

The product of its digits is 43200, while the sum is 39.

The square root of 11456985 is about 3384.8168340399. The cubic root of 11456985 is about 225.4360924959.

The spelling of 11456985 in words is "eleven million, four hundred fifty-six thousand, nine hundred eighty-five".