11671928 has 32 divisors (see below), whose sum is σ = 24397200. Its totient is φ = 5202432.

The previous prime is 11671927. The next prime is 11671937. The reversal of 11671928 is 82917611.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11671927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326 + ... + 4842.

Almost surely, 2^11671928 is an apocalyptic number.

It is an amenable number.

11671928 is an abundant number, since it is smaller than the sum of its proper divisors (12725272).

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

11671928 is a wasteful number, since it uses less digits than its factorization.

11671928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4559 (or 4555 counting only the distinct ones).

The product of its digits is 6048, while the sum is 35.

The square root of 11671928 is about 3416.4203488447. The cubic root of 11671928 is about 226.8371593095.

The spelling of 11671928 in words is "eleven million, six hundred seventy-one thousand, nine hundred twenty-eight".