13205950 has 24 divisors (see below), whose sum is σ = 25857720. Its totient is φ = 5004000.

The previous prime is 13205891. The next prime is 13205953. The reversal of 13205950 is 5950231.

13205950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13205953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6001 + ... + 7900.

It is an arithmetic number, because the mean of its divisors is an integer number (1077405).

Almost surely, 2^13205950 is an apocalyptic number.

13205950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13205950 is a deficient number, since it is larger than the sum of its proper divisors (12651770).

13205950 is a wasteful number, since it uses less digits than its factorization.

13205950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13932 (or 13927 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 13205950 is about 3633.9991744633. Note that the first 3 decimals coincide. The cubic root of 13205950 is about 236.3686544120.

The spelling of 13205950 in words is "thirteen million, two hundred five thousand, nine hundred fifty".