13487250 has 96 divisors (see below), whose sum is σ = 39267072. Its totient is φ = 3074400.

The previous prime is 13487249. The next prime is 13487267. The reversal of 13487250 is 5278431.

13487250 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 (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36567 + ... + 36933.

It is an arithmetic number, because the mean of its divisors is an integer number (409032).

Almost surely, 2^13487250 is an apocalyptic number.

13487250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13487250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19633536).

13487250 is an abundant number, since it is smaller than the sum of its proper divisors (25779822).

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

13487250 is a wasteful number, since it uses less digits than its factorization.

13487250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 13487250 is about 3672.4991490809. The cubic root of 13487250 is about 238.0351735789.

The spelling of 13487250 in words is "thirteen million, four hundred eighty-seven thousand, two hundred fifty".