12985050 has 48 divisors (see below), whose sum is σ = 34685280. Its totient is φ = 3195840.

The previous prime is 12985043. The next prime is 12985051. The reversal of 12985050 is 5058921.

It is a super-2 number, since 2×12985050² = 337223047005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 12984999 and 12985017.

It is not an unprimeable number, because it can be changed into a prime (12985051) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1380 + ... + 5279.

It is an arithmetic number, because the mean of its divisors is an integer number (722610).

Almost surely, 2^12985050 is an apocalyptic number.

12985050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12985050 is an abundant number, since it is smaller than the sum of its proper divisors (21700230).

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

12985050 is a wasteful number, since it uses less digits than its factorization.

12985050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687 (or 6682 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 12985050 is about 3603.4774870949. The cubic root of 12985050 is about 235.0432997021.

The spelling of 12985050 in words is "twelve million, nine hundred eighty-five thousand, fifty".