11649845 has 32 divisors (see below), whose sum is σ = 15863040. Its totient is φ = 8166400.

The previous prime is 11649829. The next prime is 11649853. The reversal of 11649845 is 54894611.

11649845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11649845 - 2⁴ = 11649829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11649799 and 11649808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115295 + ... + 115395.

It is an arithmetic number, because the mean of its divisors is an integer number (495720).

Almost surely, 2^11649845 is an apocalyptic number.

It is an amenable number.

11649845 is a deficient number, since it is larger than the sum of its proper divisors (4213195).

11649845 is a wasteful number, since it uses less digits than its factorization.

11649845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205.

The product of its digits is 34560, while the sum is 38.

The square root of 11649845 is about 3413.1869271987. The cubic root of 11649845 is about 226.6940122237.

The spelling of 11649845 in words is "eleven million, six hundred forty-nine thousand, eight hundred forty-five".