12170490 has 16 divisors (see below), whose sum is σ = 29209248. Its totient is φ = 3245456.

The previous prime is 12170479. The next prime is 12170491. The reversal of 12170490 is 9407121.

It is a self number, because there is not a number n which added to its sum of digits gives 12170490.

It is not an unprimeable number, because it can be changed into a prime (12170491) 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, 202812 + ... + 202871.

It is an arithmetic number, because the mean of its divisors is an integer number (1825578).

Almost surely, 2^12170490 is an apocalyptic number.

12170490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12170490 is an abundant number, since it is smaller than the sum of its proper divisors (17038758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12170490 is a wasteful number, since it uses less digits than its factorization.

12170490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405693.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12170490 is about 3488.6229374927. The cubic root of 12170490 is about 230.0219890760.

The spelling of 12170490 in words is "twelve million, one hundred seventy thousand, four hundred ninety".