11700648 has 48 divisors (see below), whose sum is σ = 32022900. Its totient is φ = 3859200.

The previous prime is 11700643. The next prime is 11700653. The reversal of 11700648 is 84600711.

It is a happy number.

11700648 is a `hidden beast` number, since 1 + 17 + 0 + 0 + 648 = 666.

It is an interprime number because it is at equal distance from previous prime (11700643) and next prime (11700653).

It can be written as a sum of positive squares in 2 ways, for example, as 7851204 + 3849444 = 2802^2 + 1962^2 .

It is not an unprimeable number, because it can be changed into a prime (11700643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6468 + ... + 8076.

Almost surely, 2^11700648 is an apocalyptic number.

11700648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11700648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16011450).

11700648 is an abundant number, since it is smaller than the sum of its proper divisors (20322252).

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

11700648 is a wasteful number, since it uses less digits than its factorization.

11700648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722 (or 1715 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 11700648 is about 3420.6209962520. The cubic root of 11700648 is about 227.0230591051.

The spelling of 11700648 in words is "eleven million, seven hundred thousand, six hundred forty-eight".