11248639 has 2 divisors, whose sum is σ = 11248640. Its totient is φ = 11248638.

The previous prime is 11248631. The next prime is 11248649. The reversal of 11248639 is 93684211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11248639 - 2³ = 11248631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11248631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5624319 + 5624320.

It is an arithmetic number, because the mean of its divisors is an integer number (5624320).

Almost surely, 2^11248639 is an apocalyptic number.

11248639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11248639 is an equidigital number, since it uses as much as digits as its factorization.

11248639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 11248639 is about 3353.8990742120. The cubic root of 11248639 is about 224.0612011237.

The spelling of 11248639 in words is "eleven million, two hundred forty-eight thousand, six hundred thirty-nine".