11064640 has 56 divisors (see below), whose sum is σ = 26773632. Its totient is φ = 4354560.

The previous prime is 11064619. The next prime is 11064643. The reversal of 11064640 is 4646011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11064643) 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, 22477 + ... + 22963.

Almost surely, 2^11064640 is an apocalyptic number.

11064640 is a gapful number since it is divisible by the number (10) 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 11064640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13386816).

11064640 is an abundant number, since it is smaller than the sum of its proper divisors (15708992).

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

11064640 is an equidigital number, since it uses as much as digits as its factorization.

11064640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 11064640 is about 3326.3553628559. The cubic root of 11064640 is about 222.8327890484.

The spelling of 11064640 in words is "eleven million, sixty-four thousand, six hundred forty".