13877730 has 48 divisors (see below), whose sum is σ = 37425024. Its totient is φ = 3700080.

The previous prime is 13877687. The next prime is 13877741. The reversal of 13877730 is 3777831.

It is a happy number.

13877730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (779688).

Almost surely, 2^13877730 is an apocalyptic number.

13877730 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 13877730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18712512).

13877730 is an abundant number, since it is smaller than the sum of its proper divisors (23547294).

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

13877730 is an equidigital number, since it uses as much as digits as its factorization.

13877730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5733 (or 5721 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 13877730 is about 3725.2825396203. The cubic root of 13877730 is about 240.3105355254.

The spelling of 13877730 in words is "thirteen million, eight hundred seventy-seven thousand, seven hundred thirty".