11418709 has 2 divisors, whose sum is σ = 11418710. Its totient is φ = 11418708.

The previous prime is 11418707. The next prime is 11418727. The reversal of 11418709 is 90781411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6027025 + 5391684 = 2455^2 + 2322^2 .

It is a cyclic number.

It is not a de Polignac number, because 11418709 - 2¹ = 11418707 is a prime.

Together with 11418707, it forms a pair of twin primes.

It is equal to p₇₅₂₂₇₈ and since 11418709 and 752278 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11418707) 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, 5709354 + 5709355.

It is an arithmetic number, because the mean of its divisors is an integer number (5709355).

Almost surely, 2^11418709 is an apocalyptic number.

It is an amenable number.

11418709 is a deficient number, since it is larger than the sum of its proper divisors (1).

11418709 is an equidigital number, since it uses as much as digits as its factorization.

11418709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 11418709 is about 3379.1580312261. The cubic root of 11418709 is about 225.1847634624.

The spelling of 11418709 in words is "eleven million, four hundred eighteen thousand, seven hundred nine".