11717070 has 64 divisors (see below), whose sum is σ = 29804544. Its totient is φ = 2943360.

The previous prime is 11717047. The next prime is 11717071. The reversal of 11717070 is 7071711.

It is a self number, because there is not a number n which added to its sum of digits gives 11717070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11717071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39844 + ... + 40136.

It is an arithmetic number, because the mean of its divisors is an integer number (465696).

Almost surely, 2^11717070 is an apocalyptic number.

11717070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11717070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14902272).

11717070 is an abundant number, since it is smaller than the sum of its proper divisors (18087474).

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

11717070 is a wasteful number, since it uses less digits than its factorization.

11717070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377.

The product of its (nonzero) digits is 343, while the sum is 24.

The square root of 11717070 is about 3423.0205959065. The cubic root of 11717070 is about 227.1292193183.

Adding to 11717070 its reverse (7071711), we get a palindrome (18788781).

The spelling of 11717070 in words is "eleven million, seven hundred seventeen thousand, seventy".