13643130 has 32 divisors (see below), whose sum is σ = 32928768. Its totient is φ = 3617600.

The previous prime is 13643107. The next prime is 13643141. The reversal of 13643130 is 3134631.

13643130 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 super-2 number, since 2×13643130² = 372269992393800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13643097 and 13643106.

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, 4540 + ... + 6920.

It is an arithmetic number, because the mean of its divisors is an integer number (1029024).

Almost surely, 2^13643130 is an apocalyptic number.

13643130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13643130 is an abundant number, since it is smaller than the sum of its proper divisors (19285638).

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

13643130 is a wasteful number, since it uses less digits than its factorization.

13643130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 13643130 is about 3693.6607857246. The cubic root of 13643130 is about 238.9487002050.

Adding to 13643130 its reverse (3134631), we get a palindrome (16777761).

The spelling of 13643130 in words is "thirteen million, six hundred forty-three thousand, one hundred thirty".