11662393 has 2 divisors, whose sum is σ = 11662394. Its totient is φ = 11662392.

The previous prime is 11662367. The next prime is 11662457. The reversal of 11662393 is 39326611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8714304 + 2948089 = 2952^2 + 1717^2 .

It is an emirp because it is prime and its reverse (39326611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11662393 is a prime.

It is a super-2 number, since 2×11662393² = 272022820972898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11662303) 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, 5831196 + 5831197.

It is an arithmetic number, because the mean of its divisors is an integer number (5831197).

Almost surely, 2^11662393 is an apocalyptic number.

It is an amenable number.

11662393 is a deficient number, since it is larger than the sum of its proper divisors (1).

11662393 is an equidigital number, since it uses as much as digits as its factorization.

11662393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 11662393 is about 3415.0245972760. The cubic root of 11662393 is about 226.7753734146.

The spelling of 11662393 in words is "eleven million, six hundred sixty-two thousand, three hundred ninety-three".