13751730 has 48 divisors (see below), whose sum is σ = 36526464. Its totient is φ = 3588000.

The previous prime is 13751681. The next prime is 13751737. The reversal of 13751730 is 3715731.

It is a super-2 number, since 2×13751730² = 378220155985800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13751694 and 13751703.

It is not an unprimeable number, because it can be changed into a prime (13751737) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2605 + ... + 5855.

It is an arithmetic number, because the mean of its divisors is an integer number (760968).

Almost surely, 2^13751730 is an apocalyptic number.

13751730 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 13751730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18263232).

13751730 is an abundant number, since it is smaller than the sum of its proper divisors (22774734).

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

13751730 is a wasteful number, since it uses less digits than its factorization.

13751730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311 (or 3308 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 13751730 is about 3708.3325093632. The cubic root of 13751730 is about 239.5810398940.

The spelling of 13751730 in words is "thirteen million, seven hundred fifty-one thousand, seven hundred thirty".