12190489 has 8 divisors (see below), whose sum is σ = 12661992. Its totient is φ = 11727360.

The previous prime is 12190481. The next prime is 12190511. The reversal of 12190489 is 98409121.

It can be written as a sum of positive squares in 4 ways, for example, as 80089 + 12110400 = 283^2 + 3480^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12190489 - 2³ = 12190481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12190481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957 + ... + 5029.

It is an arithmetic number, because the mean of its divisors is an integer number (1582749).

Almost surely, 2^12190489 is an apocalyptic number.

It is an amenable number.

12190489 is a deficient number, since it is larger than the sum of its proper divisors (471503).

12190489 is an equidigital number, since it uses as much as digits as its factorization.

12190489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4187.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 12190489 is about 3491.4880781695. The cubic root of 12190489 is about 230.1479136776.

The spelling of 12190489 in words is "twelve million, one hundred ninety thousand, four hundred eighty-nine".