30013660 has 24 divisors (see below), whose sum is σ = 64733760. Its totient is φ = 11680704.

The previous prime is 30013657. The next prime is 30013663. The reversal of 30013660 is 6631003.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30013657) and next prime (30013663).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19540 + ... + 21019.

It is an arithmetic number, because the mean of its divisors is an integer number (2697240).

Almost surely, 2^30013660 is an apocalyptic number.

It is an amenable number.

30013660 is an abundant number, since it is smaller than the sum of its proper divisors (34720100).

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

30013660 is a wasteful number, since it uses less digits than its factorization.

30013660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40605 (or 40603 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 30013660 is about 5478.4724148251. The cubic root of 30013660 is about 310.7704043237.

Adding to 30013660 its reverse (6631003), we get a palindrome (36644663).

The spelling of 30013660 in words is "thirty million, thirteen thousand, six hundred sixty".