11389913 has 2 divisors, whose sum is σ = 11389914. Its totient is φ = 11389912.

The previous prime is 11389907. The next prime is 11389919. The reversal of 11389913 is 31998311.

It is a balanced prime because it is at equal distance from previous prime (11389907) and next prime (11389919).

It can be written as a sum of positive squares in only one way, i.e., 10705984 + 683929 = 3272^2 + 827^2 .

It is an emirp because it is prime and its reverse (31998311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11389913 - 2⁴ = 11389897 is a prime.

It is not a weakly prime, because it can be changed into another prime (11389919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5694956 + 5694957.

It is an arithmetic number, because the mean of its divisors is an integer number (5694957).

Almost surely, 2^11389913 is an apocalyptic number.

It is an amenable number.

11389913 is a deficient number, since it is larger than the sum of its proper divisors (1).

11389913 is an equidigital number, since it uses as much as digits as its factorization.

11389913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 35.

The square root of 11389913 is about 3374.8945168701. The cubic root of 11389913 is about 224.9953118365.

The spelling of 11389913 in words is "eleven million, three hundred eighty-nine thousand, nine hundred thirteen".