12842090 has 8 divisors (see below), whose sum is σ = 23115780. Its totient is φ = 5136832.

The previous prime is 12842083. The next prime is 12842107. The reversal of 12842090 is 9024821.

It can be written as a sum of positive squares in 2 ways, for example, as 12737761 + 104329 = 3569^2 + 323^2 .

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

It is a zygodrome in base 3.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642095 + ... + 642114.

Almost surely, 2^12842090 is an apocalyptic number.

12842090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12842090 is a deficient number, since it is larger than the sum of its proper divisors (10273690).

12842090 is a wasteful number, since it uses less digits than its factorization.

12842090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284216.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12842090 is about 3583.5861926288. The cubic root of 12842090 is about 234.1775383365.

The spelling of 12842090 in words is "twelve million, eight hundred forty-two thousand, ninety".