13830730 has 16 divisors (see below), whose sum is σ = 24943464. Its totient is φ = 5521600.

The previous prime is 13830703. The next prime is 13830757. The reversal of 13830730 is 3703831.

It is an interprime number because it is at equal distance from previous prime (13830703) and next prime (13830757).

It can be written as a sum of positive squares in 4 ways, for example, as 11607649 + 2223081 = 3407^2 + 1491^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13830695 and 13830704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6024 + ... + 7996.

Almost surely, 2^13830730 is an apocalyptic number.

13830730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13830730 is a deficient number, since it is larger than the sum of its proper divisors (11112734).

13830730 is a wasteful number, since it uses less digits than its factorization.

13830730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 13830730 is about 3718.9689431346. The cubic root of 13830730 is about 240.0389404408.

The spelling of 13830730 in words is "thirteen million, eight hundred thirty thousand, seven hundred thirty".