11388413 has 2 divisors, whose sum is σ = 11388414. Its totient is φ = 11388412.

The previous prime is 11388389. The next prime is 11388431. The reversal of 11388413 is 31488311.

Together with next prime (11388431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10582009 + 806404 = 3253^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 11388413 - 2¹⁴ = 11372029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11388463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5694206 + 5694207.

It is an arithmetic number, because the mean of its divisors is an integer number (5694207).

Almost surely, 2^11388413 is an apocalyptic number.

It is an amenable number.

11388413 is a deficient number, since it is larger than the sum of its proper divisors (1).

11388413 is an equidigital number, since it uses as much as digits as its factorization.

11388413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 29.

The square root of 11388413 is about 3374.6722803852. The cubic root of 11388413 is about 224.9854344481.

The spelling of 11388413 in words is "eleven million, three hundred eighty-eight thousand, four hundred thirteen".