11438899 has 2 divisors, whose sum is σ = 11438900. Its totient is φ = 11438898.

The previous prime is 11438897. The next prime is 11438923. The reversal of 11438899 is 99883411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11438899 - 2¹ = 11438897 is a prime.

Together with 11438897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11438897) 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, 5719449 + 5719450.

It is an arithmetic number, because the mean of its divisors is an integer number (5719450).

Almost surely, 2^11438899 is an apocalyptic number.

11438899 is a deficient number, since it is larger than the sum of its proper divisors (1).

11438899 is an equidigital number, since it uses as much as digits as its factorization.

11438899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 43.

The square root of 11438899 is about 3382.1441424043. The cubic root of 11438899 is about 225.3174055262.

The spelling of 11438899 in words is "eleven million, four hundred thirty-eight thousand, eight hundred ninety-nine".