11929888 has 12 divisors (see below), whose sum is σ = 23487030. Its totient is φ = 5964928.

The previous prime is 11929871. The next prime is 11929889. The reversal of 11929888 is 88892911.

It can be written as a sum of positive squares in only one way, i.e., 11370384 + 559504 = 3372^2 + 748^2 .

It is not an unprimeable number, because it can be changed into a prime (11929889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186373 + ... + 186436.

Almost surely, 2^11929888 is an apocalyptic number.

It is an amenable number.

11929888 is a deficient number, since it is larger than the sum of its proper divisors (11557142).

11929888 is an equidigital number, since it uses as much as digits as its factorization.

11929888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372819 (or 372811 counting only the distinct ones).

The product of its digits is 82944, while the sum is 46.

The square root of 11929888 is about 3453.9669946310. The cubic root of 11929888 is about 228.4960983905.

The spelling of 11929888 in words is "eleven million, nine hundred twenty-nine thousand, eight hundred eighty-eight".