11945285 has 16 divisors (see below), whose sum is σ = 15973632. Its totient is φ = 8500800.

The previous prime is 11945279. The next prime is 11945291. The reversal of 11945285 is 58254911.

It is an interprime number because it is at equal distance from previous prime (11945279) and next prime (11945291).

It is not a de Polignac number, because 11945285 - 2⁶ = 11945221 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 275 + ... + 4895.

It is an arithmetic number, because the mean of its divisors is an integer number (998352).

Almost surely, 2^11945285 is an apocalyptic number.

It is an amenable number.

11945285 is a deficient number, since it is larger than the sum of its proper divisors (4028347).

11945285 is a wasteful number, since it uses less digits than its factorization.

11945285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684.

The product of its digits is 14400, while the sum is 35.

The square root of 11945285 is about 3456.1951623136. The cubic root of 11945285 is about 228.5943569819.

The spelling of 11945285 in words is "eleven million, nine hundred forty-five thousand, two hundred eighty-five".