11668628 has 6 divisors (see below), whose sum is σ = 20420106. Its totient is φ = 5834312.

The previous prime is 11668619. The next prime is 11668661. The reversal of 11668628 is 82686611.

It can be written as a sum of positive squares in only one way, i.e., 9412624 + 2256004 = 3068^2 + 1502^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11668591 and 11668600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1458575 + ... + 1458582.

It is an arithmetic number, because the mean of its divisors is an integer number (3403351).

Almost surely, 2^11668628 is an apocalyptic number.

It is an amenable number.

11668628 is a deficient number, since it is larger than the sum of its proper divisors (8751478).

11668628 is a wasteful number, since it uses less digits than its factorization.

11668628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917161 (or 2917159 counting only the distinct ones).

The product of its digits is 27648, while the sum is 38.

The square root of 11668628 is about 3415.9373530555. The cubic root of 11668628 is about 226.8157794317.

The spelling of 11668628 in words is "eleven million, six hundred sixty-eight thousand, six hundred twenty-eight".