13937500 has 42 divisors (see below), whose sum is σ = 30624608. Its totient is φ = 5550000.

The previous prime is 13937491. The next prime is 13937519. The reversal of 13937500 is 573931.

It is a congruent number.

It is an unprimeable number.

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 13 ways as a sum of consecutive naturals, for example, 62389 + ... + 62611.

Almost surely, 2^13937500 is an apocalyptic number.

13937500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13937500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15312304).

13937500 is an abundant number, since it is smaller than the sum of its proper divisors (16687108).

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

13937500 is an frugal number, since it uses more digits than its factorization.

13937500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 13937500 is about 3733.2961307670. The cubic root of 13937500 is about 240.6550392587.

The spelling of 13937500 in words is "thirteen million, nine hundred thirty-seven thousand, five hundred".