12985122 has 16 divisors (see below), whose sum is σ = 26020800. Its totient is φ = 4319952.

The previous prime is 12985103. The next prime is 12985123. The reversal of 12985122 is 22158921.

It is a super-2 number, since 2×12985122² = 337226786709768, 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 12985122.

It is not an unprimeable number, because it can be changed into a prime (12985123) 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, 1788 + ... + 5400.

It is an arithmetic number, because the mean of its divisors is an integer number (1626300).

Almost surely, 2^12985122 is an apocalyptic number.

12985122 is an abundant number, since it is smaller than the sum of its proper divisors (13035678).

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

12985122 is a wasteful number, since it uses less digits than its factorization.

12985122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217.

The product of its digits is 2880, while the sum is 30.

The square root of 12985122 is about 3603.4874774307. The cubic root of 12985122 is about 235.0437341269.

The spelling of 12985122 in words is "twelve million, nine hundred eighty-five thousand, one hundred twenty-two".