11740321 has 4 divisors (see below), whose sum is σ = 11751444. Its totient is φ = 11729200.

The previous prime is 11740279. The next prime is 11740349. The reversal of 11740321 is 12304711.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12304711 = 1123 ⋅10957.

It can be written as a sum of positive squares in 2 ways, for example, as 4260096 + 7480225 = 2064^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 11740321 - 2⁷ = 11740193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11743321) 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, 3790 + ... + 6151.

It is an arithmetic number, because the mean of its divisors is an integer number (2937861).

Almost surely, 2^11740321 is an apocalyptic number.

It is an amenable number.

11740321 is a deficient number, since it is larger than the sum of its proper divisors (11123).

11740321 is an equidigital number, since it uses as much as digits as its factorization.

11740321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11740321 is about 3426.4151820817. The cubic root of 11740321 is about 227.2793561751.

The spelling of 11740321 in words is "eleven million, seven hundred forty thousand, three hundred twenty-one".