13927290 has 96 divisors (see below), whose sum is σ = 37630656. Its totient is φ = 3294720.

The previous prime is 13927273. The next prime is 13927297. The reversal of 13927290 is 9272931.

13927290 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13927297) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 207837 + ... + 207903.

It is an arithmetic number, because the mean of its divisors is an integer number (391986).

Almost surely, 2^13927290 is an apocalyptic number.

13927290 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 13927290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18815328).

13927290 is an abundant number, since it is smaller than the sum of its proper divisors (23703366).

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

13927290 is a wasteful number, since it uses less digits than its factorization.

13927290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 13927290 is about 3731.9284559059. The cubic root of 13927290 is about 240.5962604682.

The spelling of 13927290 in words is "thirteen million, nine hundred twenty-seven thousand, two hundred ninety".