13937028 has 48 divisors (see below), whose sum is σ = 37632000. Its totient is φ = 3932064.

The previous prime is 13937017. The next prime is 13937041. The reversal of 13937028 is 82073931.

It is a self number, because there is not a number n which added to its sum of digits gives 13937028.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5973 + ... + 7971.

It is an arithmetic number, because the mean of its divisors is an integer number (784000).

Almost surely, 2^13937028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13937028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18816000).

13937028 is an abundant number, since it is smaller than the sum of its proper divisors (23694972).

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

13937028 is a wasteful number, since it uses less digits than its factorization.

13937028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096 (or 2094 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 13937028 is about 3733.2329153162. The cubic root of 13937028 is about 240.6523225960.

The spelling of 13937028 in words is "thirteen million, nine hundred thirty-seven thousand, twenty-eight".