11709630 has 64 divisors (see below), whose sum is σ = 32256000. Its totient is φ = 3019680.

The previous prime is 11709613. The next prime is 11709647. The reversal of 11709630 is 3690711.

It is an interprime number because it is at equal distance from previous prime (11709613) and next prime (11709647).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11709594 and 11709603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7671 + ... + 9069.

It is an arithmetic number, because the mean of its divisors is an integer number (504000).

Almost surely, 2^11709630 is an apocalyptic number.

11709630 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 11709630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16128000).

11709630 is an abundant number, since it is smaller than the sum of its proper divisors (20546370).

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

11709630 is a wasteful number, since it uses less digits than its factorization.

11709630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1440 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 11709630 is about 3421.9336638807. The cubic root of 11709630 is about 227.0811356482.

The spelling of 11709630 in words is "eleven million, seven hundred nine thousand, six hundred thirty".