11929912 has 8 divisors (see below), whose sum is σ = 22368600. Its totient is φ = 5964952.

The previous prime is 11929889. The next prime is 11929913. The reversal of 11929912 is 21992911.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11929913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745612 + ... + 745627.

It is an arithmetic number, because the mean of its divisors is an integer number (2796075).

Almost surely, 2^11929912 is an apocalyptic number.

It is an amenable number.

11929912 is a deficient number, since it is larger than the sum of its proper divisors (10438688).

11929912 is a wasteful number, since it uses less digits than its factorization.

11929912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491245 (or 1491241 counting only the distinct ones).

The product of its digits is 2916, while the sum is 34.

The square root of 11929912 is about 3453.9704688952. The cubic root of 11929912 is about 228.4962516164.

The spelling of 11929912 in words is "eleven million, nine hundred twenty-nine thousand, nine hundred twelve".