11296321 has 3 divisors (see below), whose sum is σ = 11299683. Its totient is φ = 11292960.

The previous prime is 11296301. The next prime is 11296331. The reversal of 11296321 is 12369211.

The square root of 11296321 is 3361.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 8473921 + 2822400 = 2911^2 + 1680^2 .

It is not a de Polignac number, because 11296321 - 2⁷ = 11296193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11296301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1681 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (3766561).

Almost surely, 2^11296321 is an apocalyptic number.

11296321 is the 3361-st square number.

11296321 is the 1681-st centered octagonal number.

It is an amenable number.

11296321 is a deficient number, since it is larger than the sum of its proper divisors (3362).

11296321 is an frugal number, since it uses more digits than its factorization.

11296321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722 (or 3361 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The cubic root of 11296321 is about 224.3773468044.

Multiplying 11296321 by its sum of digits (25), we get a square (282408025 = 16805²).

The spelling of 11296321 in words is "eleven million, two hundred ninety-six thousand, three hundred twenty-one".