12054190 has 48 divisors (see below), whose sum is σ = 23828112. Its totient is φ = 4386816.

The previous prime is 12054187. The next prime is 12054191. The reversal of 12054190 is 9145021.

It is a super-2 number, since 2×12054190² = 290606993112200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12054191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124222 + ... + 124318.

It is an arithmetic number, because the mean of its divisors is an integer number (496419).

Almost surely, 2^12054190 is an apocalyptic number.

12054190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12054190 is a deficient number, since it is larger than the sum of its proper divisors (11773922).

12054190 is a wasteful number, since it uses less digits than its factorization.

12054190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12054190 is about 3471.9144574716. The cubic root of 12054190 is about 229.2869536377.

The spelling of 12054190 in words is "twelve million, fifty-four thousand, one hundred ninety".