11389297 has 2 divisors, whose sum is σ = 11389298. Its totient is φ = 11389296.

The previous prime is 11389291. The next prime is 11389309. The reversal of 11389297 is 79298311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9740641 + 1648656 = 3121^2 + 1284^2 .

It is an emirp because it is prime and its reverse (79298311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11389297 - 2³ = 11389289 is a prime.

It is not a weakly prime, because it can be changed into another prime (11389291) 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, 5694648 + 5694649.

It is an arithmetic number, because the mean of its divisors is an integer number (5694649).

Almost surely, 2^11389297 is an apocalyptic number.

It is an amenable number.

11389297 is a deficient number, since it is larger than the sum of its proper divisors (1).

11389297 is an equidigital number, since it uses as much as digits as its factorization.

11389297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 40.

The square root of 11389297 is about 3374.8032535246. The cubic root of 11389297 is about 224.9912556272.

The spelling of 11389297 in words is "eleven million, three hundred eighty-nine thousand, two hundred ninety-seven".