13111330 has 32 divisors (see below), whose sum is σ = 25061760. Its totient is φ = 4924800.

The previous prime is 13111327. The next prime is 13111333. The reversal of 13111330 is 3311131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13111327) and next prime (13111333).

It is a self number, because there is not a number n which added to its sum of digits gives 13111330.

It is not an unprimeable number, because it can be changed into a prime (13111333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28462 + ... + 28918.

It is an arithmetic number, because the mean of its divisors is an integer number (783180).

Almost surely, 2^13111330 is an apocalyptic number.

13111330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13111330 is a deficient number, since it is larger than the sum of its proper divisors (11950430).

13111330 is a wasteful number, since it uses less digits than its factorization.

13111330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 13111330 is about 3620.9570558072. The cubic root of 13111330 is about 235.8027773914.

Adding to 13111330 its reverse (3311131), we get a palindrome (16422461).

The spelling of 13111330 in words is "thirteen million, one hundred eleven thousand, three hundred thirty".