12289190 has 8 divisors (see below), whose sum is σ = 22120560. Its totient is φ = 4915672.

The previous prime is 12289183. The next prime is 12289213. The reversal of 12289190 is 9198221.

It is a happy number.

12289190 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 2×12289190² = 302048381712200, which contains 22 as substring.

It is a congruent number.

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, 614450 + ... + 614469.

It is an arithmetic number, because the mean of its divisors is an integer number (2765070).

Almost surely, 2^12289190 is an apocalyptic number.

12289190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12289190 is a deficient number, since it is larger than the sum of its proper divisors (9831370).

12289190 is a wasteful number, since it uses less digits than its factorization.

12289190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228926.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 12289190 is about 3505.5941008622. The cubic root of 12289190 is about 230.7673801276.

The spelling of 12289190 in words is "twelve million, two hundred eighty-nine thousand, one hundred ninety".