1113321 has 12 divisors (see below), whose sum is σ = 1632176. Its totient is φ = 674520.

The previous prime is 1113319. The next prime is 1113337. The reversal of 1113321 is 1233111.

It is not a de Polignac number, because 1113321 - 2¹ = 1113319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113297 and 1113306.

It is not an unprimeable number, because it can be changed into a prime (1113221) 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, 1171 + ... + 1896.

2^1113321 is an apocalyptic number.

1113321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113321 is a deficient number, since it is larger than the sum of its proper divisors (518855).

1113321 is a wasteful number, since it uses less digits than its factorization.

1113321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092 (or 3081 counting only the distinct ones).

The product of its digits is 18, while the sum is 12.

The square root of 1113321 is about 1055.1402750346. The cubic root of 1113321 is about 103.6430377777.

Adding to 1113321 its reverse (1233111), we get a palindrome (2346432).

The spelling of 1113321 in words is "one million, one hundred thirteen thousand, three hundred twenty-one".