11601321 has 4 divisors (see below), whose sum is σ = 15468432. Its totient is φ = 7734212.

The previous prime is 11601311. The next prime is 11601349. The reversal of 11601321 is 12310611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11601321 - 2⁶ = 11601257 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11601321.

It is not an unprimeable number, because it can be changed into a prime (11601301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1933551 + ... + 1933556.

It is an arithmetic number, because the mean of its divisors is an integer number (3867108).

Almost surely, 2^11601321 is an apocalyptic number.

It is an amenable number.

11601321 is a deficient number, since it is larger than the sum of its proper divisors (3867111).

11601321 is an equidigital number, since it uses as much as digits as its factorization.

11601321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867110.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 11601321 is about 3406.0711971420. The cubic root of 11601321 is about 226.3788318287.

Adding to 11601321 its reverse (12310611), we get a palindrome (23911932).

The spelling of 11601321 in words is "eleven million, six hundred one thousand, three hundred twenty-one".