11709628 has 18 divisors (see below), whose sum is σ = 23837856. Its totient is φ = 5018328.

The previous prime is 11709613. The next prime is 11709647. The reversal of 11709628 is 82690711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11709593 and 11709602.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 29676 + ... + 30067.

Almost surely, 2^11709628 is an apocalyptic number.

It is an amenable number.

11709628 is an abundant number, since it is smaller than the sum of its proper divisors (12128228).

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

11709628 is a wasteful number, since it uses less digits than its factorization.

11709628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59761 (or 59752 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 11709628 is about 3421.9333716483. The cubic root of 11709628 is about 227.0811227197.

The spelling of 11709628 in words is "eleven million, seven hundred nine thousand, six hundred twenty-eight".