12987350 has 24 divisors (see below), whose sum is σ = 24388320. Its totient is φ = 5145120.

The previous prime is 12987343. The next prime is 12987353. The reversal of 12987350 is 5378921.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12987350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12987353) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4259 + ... + 6641.

It is an arithmetic number, because the mean of its divisors is an integer number (1016180).

Almost surely, 2^12987350 is an apocalyptic number.

12987350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12987350 is a deficient number, since it is larger than the sum of its proper divisors (11400970).

12987350 is a wasteful number, since it uses less digits than its factorization.

12987350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504 (or 2499 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 12987350 is about 3603.7966091332. The cubic root of 12987350 is about 235.0571763698.

The spelling of 12987350 in words is "twelve million, nine hundred eighty-seven thousand, three hundred fifty".