12984550 has 12 divisors (see below), whose sum is σ = 24151356. Its totient is φ = 5193800.

The previous prime is 12984527. The next prime is 12984553. The reversal of 12984550 is 5548921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12984553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129796 + ... + 129895.

It is an arithmetic number, because the mean of its divisors is an integer number (2012613).

Almost surely, 2^12984550 is an apocalyptic number.

12984550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12984550 is a deficient number, since it is larger than the sum of its proper divisors (11166806).

12984550 is a wasteful number, since it uses less digits than its factorization.

12984550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259703 (or 259698 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 12984550 is about 3603.4081089990. The cubic root of 12984550 is about 235.0402828183.

The spelling of 12984550 in words is "twelve million, nine hundred eighty-four thousand, five hundred fifty".