11465649 has 36 divisors (see below), whose sum is σ = 18604404. Its totient is φ = 6761664.

The previous prime is 11465639. The next prime is 11465653. The reversal of 11465649 is 94656411.

11465649 is a `hidden beast` number, since 1 + 1 + 4 + 6 + 5 + 649 = 666.

11465649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4809249 + 6656400 = 2193^2 + 2580^2 .

It is not a de Polignac number, because 11465649 - 2⁵ = 11465617 is a prime.

It is a super-2 number, since 2×11465649² = 262922213982402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11465639) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 216307 + ... + 216359.

It is an arithmetic number, because the mean of its divisors is an integer number (516789).

Almost surely, 2^11465649 is an apocalyptic number.

It is an amenable number.

11465649 is a deficient number, since it is larger than the sum of its proper divisors (7138755).

11465649 is a wasteful number, since it uses less digits than its factorization.

11465649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 112 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 11465649 is about 3386.0964250889. The cubic root of 11465649 is about 225.4929045969.

The spelling of 11465649 in words is "eleven million, four hundred sixty-five thousand, six hundred forty-nine".