11465220 has 48 divisors (see below), whose sum is σ = 34574400. Its totient is φ = 2822016.

The previous prime is 11465183. The next prime is 11465221. The reversal of 11465220 is 2256411.

It is not an unprimeable number, because it can be changed into a prime (11465221) by changing a digit.

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, 6570 + ... + 8129.

It is an arithmetic number, because the mean of its divisors is an integer number (720300).

Almost surely, 2^11465220 is an apocalyptic number.

11465220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11465220 is an abundant number, since it is smaller than the sum of its proper divisors (23109180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11465220 is a wasteful number, since it uses less digits than its factorization.

11465220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14724 (or 14722 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 11465220 is about 3386.0330772159. The cubic root of 11465220 is about 225.4900922060.

The spelling of 11465220 in words is "eleven million, four hundred sixty-five thousand, two hundred twenty".