12684190 has 8 divisors (see below), whose sum is σ = 22831560. Its totient is φ = 5073672.

The previous prime is 12684181. The next prime is 12684197. The reversal of 12684190 is 9148621.

It is a happy number.

12684190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12684190² = 321777351912200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12684197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634200 + ... + 634219.

It is an arithmetic number, because the mean of its divisors is an integer number (2853945).

Almost surely, 2^12684190 is an apocalyptic number.

12684190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12684190 is a deficient number, since it is larger than the sum of its proper divisors (10147370).

12684190 is a wasteful number, since it uses less digits than its factorization.

12684190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268426.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 12684190 is about 3561.4870489727. The cubic root of 12684190 is about 233.2138004537.

The spelling of 12684190 in words is "twelve million, six hundred eighty-four thousand, one hundred ninety".