11214945 has 24 divisors (see below), whose sum is σ = 22216896. Its totient is φ = 5126688.

The previous prime is 11214943. The next prime is 11215003. The reversal of 11214945 is 54941211.

It is not a de Polignac number, because 11214945 - 2¹ = 11214943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11214943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17487 + ... + 18116.

It is an arithmetic number, because the mean of its divisors is an integer number (925704).

Almost surely, 2^11214945 is an apocalyptic number.

11214945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11214945 is a deficient number, since it is larger than the sum of its proper divisors (11001951).

11214945 is a wasteful number, since it uses less digits than its factorization.

11214945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35621 (or 35618 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 11214945 is about 3348.8721982184. The cubic root of 11214945 is about 223.8372608887.

The spelling of 11214945 in words is "eleven million, two hundred fourteen thousand, nine hundred forty-five".