11649552 has 40 divisors (see below), whose sum is σ = 31069440. Its totient is φ = 3757440.

The previous prime is 11649551. The next prime is 11649563. The reversal of 11649552 is 25594611.

It is not an unprimeable number, because it can be changed into a prime (11649551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2427 + ... + 5402.

It is an arithmetic number, because the mean of its divisors is an integer number (776736).

Almost surely, 2^11649552 is an apocalyptic number.

11649552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11649552 is an abundant number, since it is smaller than the sum of its proper divisors (19419888).

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

11649552 is a wasteful number, since it uses less digits than its factorization.

11649552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871 (or 7865 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 11649552 is about 3413.1440051659. The cubic root of 11649552 is about 226.6921117148.

The spelling of 11649552 in words is "eleven million, six hundred forty-nine thousand, five hundred fifty-two".