11649648 has 40 divisors (see below), whose sum is σ = 31136400. Its totient is φ = 3748864.

The previous prime is 11649629. The next prime is 11649667. The reversal of 11649648 is 84694611.

It is an interprime number because it is at equal distance from previous prime (11649629) and next prime (11649667).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2793 + ... + 5576.

It is an arithmetic number, because the mean of its divisors is an integer number (778410).

Almost surely, 2^11649648 is an apocalyptic number.

It is an amenable number.

11649648 is an abundant number, since it is smaller than the sum of its proper divisors (19486752).

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

11649648 is a wasteful number, since it uses less digits than its factorization.

11649648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8409 (or 8403 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 11649648 is about 3413.1580684170. The cubic root of 11649648 is about 226.6927344107.

The spelling of 11649648 in words is "eleven million, six hundred forty-nine thousand, six hundred forty-eight".