13218950 has 24 divisors (see below), whose sum is σ = 25009560. Its totient is φ = 5196800.

The previous prime is 13218943. The next prime is 13218967. The reversal of 13218950 is 5981231.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 710 + ... + 5190.

It is an arithmetic number, because the mean of its divisors is an integer number (1042065).

Almost surely, 2^13218950 is an apocalyptic number.

13218950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13218950 is a deficient number, since it is larger than the sum of its proper divisors (11790610).

13218950 is a wasteful number, since it uses less digits than its factorization.

13218950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552 (or 4547 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 13218950 is about 3635.7873975248. The cubic root of 13218950 is about 236.4461897848.

The spelling of 13218950 in words is "thirteen million, two hundred eighteen thousand, nine hundred fifty".