11293421 has 2 divisors, whose sum is σ = 11293422. Its totient is φ = 11293420.

The previous prime is 11293417. The next prime is 11293439. The reversal of 11293421 is 12439211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9302500 + 1990921 = 3050^2 + 1411^2 .

It is an emirp because it is prime and its reverse (12439211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11293421 - 2² = 11293417 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11293411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5646710 + 5646711.

It is an arithmetic number, because the mean of its divisors is an integer number (5646711).

Almost surely, 2^11293421 is an apocalyptic number.

It is an amenable number.

11293421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11293421 is an equidigital number, since it uses as much as digits as its factorization.

11293421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 11293421 is about 3360.5685530874. The cubic root of 11293421 is about 224.3581443875.

The spelling of 11293421 in words is "eleven million, two hundred ninety-three thousand, four hundred twenty-one".