13611330 has 24 divisors (see below), whose sum is σ = 35389692. Its totient is φ = 3629664.

The previous prime is 13611319. The next prime is 13611337. The reversal of 13611330 is 3311631.

13611330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13461561 + 149769 = 3669^2 + 387^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13611337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75529 + ... + 75708.

Almost surely, 2^13611330 is an apocalyptic number.

13611330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13611330 is an abundant number, since it is smaller than the sum of its proper divisors (21778362).

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

13611330 is a wasteful number, since it uses less digits than its factorization.

13611330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151250 (or 151247 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 13611330 is about 3689.3536019200. The cubic root of 13611330 is about 238.7629051073.

Adding to 13611330 its reverse (3311631), we get a palindrome (16922961).

The spelling of 13611330 in words is "thirteen million, six hundred eleven thousand, three hundred thirty".