11613321 has 16 divisors (see below), whose sum is σ = 17953920. Its totient is φ = 7405200.

The previous prime is 11613319. The next prime is 11613323. The reversal of 11613321 is 12331611.

It is an interprime number because it is at equal distance from previous prime (11613319) and next prime (11613323).

It is not a de Polignac number, because 11613321 - 2¹ = 11613319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11613294 and 11613303.

It is not an unprimeable number, because it can be changed into a prime (11613323) 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, 8730 + ... + 9971.

It is an arithmetic number, because the mean of its divisors is an integer number (1122120).

Almost surely, 2^11613321 is an apocalyptic number.

It is an amenable number.

11613321 is a deficient number, since it is larger than the sum of its proper divisors (6340599).

11613321 is a wasteful number, since it uses less digits than its factorization.

11613321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18733 (or 18727 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 11613321 is about 3407.8323022121. The cubic root of 11613321 is about 226.4568577100.

Adding to 11613321 its reverse (12331611), we get a palindrome (23944932).

The spelling of 11613321 in words is "eleven million, six hundred thirteen thousand, three hundred twenty-one".