11420985 has 8 divisors (see below), whose sum is σ = 18273600. Its totient is φ = 6091184.

The previous prime is 11420971. The next prime is 11421017. The reversal of 11420985 is 58902411.

It is a happy number.

11420985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11420985 - 2⁹ = 11420473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380685 + ... + 380714.

It is an arithmetic number, because the mean of its divisors is an integer number (2284200).

Almost surely, 2^11420985 is an apocalyptic number.

11420985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11420985 is a deficient number, since it is larger than the sum of its proper divisors (6852615).

11420985 is an equidigital number, since it uses as much as digits as its factorization.

11420985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761407.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 11420985 is about 3379.4947847274. The cubic root of 11420985 is about 225.1997238948.

The spelling of 11420985 in words is "eleven million, four hundred twenty thousand, nine hundred eighty-five".