11671628 has 12 divisors (see below), whose sum is σ = 20533632. Its totient is φ = 5804880.

The previous prime is 11671609. The next prime is 11671637. The reversal of 11671628 is 82617611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11671594 and 11671603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6875 + ... + 8402.

It is an arithmetic number, because the mean of its divisors is an integer number (1711136).

Almost surely, 2^11671628 is an apocalyptic number.

It is an amenable number.

11671628 is a deficient number, since it is larger than the sum of its proper divisors (8862004).

11671628 is a wasteful number, since it uses less digits than its factorization.

11671628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15472 (or 15470 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 11671628 is about 3416.3764429582. The cubic root of 11671628 is about 226.8352158508.

The spelling of 11671628 in words is "eleven million, six hundred seventy-one thousand, six hundred twenty-eight".