11380321 has 2 divisors, whose sum is σ = 11380322. Its totient is φ = 11380320.

The previous prime is 11380309. The next prime is 11380339. The reversal of 11380321 is 12308311.

11380321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7728400 + 3651921 = 2780^2 + 1911^2 .

It is a cyclic number.

It is not a de Polignac number, because 11380321 - 2⁵ = 11380289 is a prime.

It is not a weakly prime, because it can be changed into another prime (11380301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5690160 + 5690161.

It is an arithmetic number, because the mean of its divisors is an integer number (5690161).

Almost surely, 2^11380321 is an apocalyptic number.

It is an amenable number.

11380321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11380321 is an equidigital number, since it uses as much as digits as its factorization.

11380321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11380321 is about 3373.4731361017. The cubic root of 11380321 is about 224.9321342645.

Adding to 11380321 its reverse (12308311), we get a palindrome (23688632).

The spelling of 11380321 in words is "eleven million, three hundred eighty thousand, three hundred twenty-one".