13287950 has 24 divisors (see below), whose sum is σ = 26618088. Its totient is φ = 4906080.

The previous prime is 13287949. The next prime is 13287991. The reversal of 13287950 is 5978231.

It is a self number, because there is not a number n which added to its sum of digits gives 13287950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9572 + ... + 10871.

It is an arithmetic number, because the mean of its divisors is an integer number (1109087).

Almost surely, 2^13287950 is an apocalyptic number.

13287950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13287950 is an abundant number, since it is smaller than the sum of its proper divisors (13330138).

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

13287950 is a wasteful number, since it uses less digits than its factorization.

13287950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20468 (or 20463 counting only the distinct ones).

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

The square root of 13287950 is about 3645.2640507925. The cubic root of 13287950 is about 236.8568750157.

The spelling of 13287950 in words is "thirteen million, two hundred eighty-seven thousand, nine hundred fifty".