12145928 has 16 divisors (see below), whose sum is σ = 23258880. Its totient is φ = 5943568.

The previous prime is 12145907. The next prime is 12145937. The reversal of 12145928 is 82954121.

It is a junction number, because it is equal to n+sod(n) for n = 12145894 and 12145903.

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, 15776 + ... + 16527.

It is an arithmetic number, because the mean of its divisors is an integer number (1453680).

Almost surely, 2^12145928 is an apocalyptic number.

It is an amenable number.

12145928 is a deficient number, since it is larger than the sum of its proper divisors (11112952).

12145928 is a wasteful number, since it uses less digits than its factorization.

12145928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32356 (or 32352 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 12145928 is about 3485.1008593727. The cubic root of 12145928 is about 229.8671444451.

The spelling of 12145928 in words is "twelve million, one hundred forty-five thousand, nine hundred twenty-eight".