13616730 has 48 divisors (see below), whose sum is σ = 37271520. Its totient is φ = 3439584.

The previous prime is 13616723. The next prime is 13616737. The reversal of 13616730 is 3761631.

13616730 is a `hidden beast` number, since 13 + 616 + 7 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (13616723) and next prime (13616737).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13616694 and 13616703.

It is not an unprimeable number, because it can be changed into a prime (13616737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2272 + ... + 5691.

It is an arithmetic number, because the mean of its divisors is an integer number (776490).

Almost surely, 2^13616730 is an apocalyptic number.

13616730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13616730 is an abundant number, since it is smaller than the sum of its proper divisors (23654790).

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

13616730 is a wasteful number, since it uses less digits than its factorization.

13616730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7995 (or 7992 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 13616730 is about 3690.0853648662. The cubic root of 13616730 is about 238.7944756009.

The spelling of 13616730 in words is "thirteen million, six hundred sixteen thousand, seven hundred thirty".