12821190 has 32 divisors (see below), whose sum is σ = 31834080. Its totient is φ = 3300864.

The previous prime is 12821153. The next prime is 12821227. The reversal of 12821190 is 9112821.

It is an interprime number because it is at equal distance from previous prime (12821153) and next prime (12821227).

It is a super-2 number, since 2×12821190² = 328765826032200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12821190.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6499 + ... + 8238.

It is an arithmetic number, because the mean of its divisors is an integer number (994815).

Almost surely, 2^12821190 is an apocalyptic number.

12821190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12821190 is an abundant number, since it is smaller than the sum of its proper divisors (19012890).

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

12821190 is a wasteful number, since it uses less digits than its factorization.

12821190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14776.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 12821190 is about 3580.6689319176. The cubic root of 12821190 is about 234.0504310911.

The spelling of 12821190 in words is "twelve million, eight hundred twenty-one thousand, one hundred ninety".