13613830 has 8 divisors (see below), whose sum is σ = 24504912. Its totient is φ = 5445528.

The previous prime is 13613813. The next prime is 13613857. The reversal of 13613830 is 3831631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13613795 and 13613804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680682 + ... + 680701.

It is an arithmetic number, because the mean of its divisors is an integer number (3063114).

Almost surely, 2^13613830 is an apocalyptic number.

13613830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13613830 is a deficient number, since it is larger than the sum of its proper divisors (10891082).

13613830 is a wasteful number, since it uses less digits than its factorization.

13613830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361390.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 13613830 is about 3689.6923991032. The cubic root of 13613830 is about 238.7775221144. Note that the first 3 decimals are identical.

The spelling of 13613830 in words is "thirteen million, six hundred thirteen thousand, eight hundred thirty".