11439699 has 4 divisors (see below), whose sum is σ = 15252936. Its totient is φ = 7626464.

The previous prime is 11439643. The next prime is 11439707. The reversal of 11439699 is 99693411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99693411 = 3 ⋅33231137.

It is a cyclic number.

It is not a de Polignac number, because 11439699 - 2⁸ = 11439443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11439699.

It is not an unprimeable number, because it can be changed into a prime (11439629) 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 in 3 ways as a sum of consecutive naturals, for example, 1906614 + ... + 1906619.

It is an arithmetic number, because the mean of its divisors is an integer number (3813234).

Almost surely, 2^11439699 is an apocalyptic number.

11439699 is a deficient number, since it is larger than the sum of its proper divisors (3813237).

11439699 is an equidigital number, since it uses as much as digits as its factorization.

11439699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813236.

The product of its digits is 52488, while the sum is 42.

The square root of 11439699 is about 3382.2624085071. The cubic root of 11439699 is about 225.3226580633.

The spelling of 11439699 in words is "eleven million, four hundred thirty-nine thousand, six hundred ninety-nine".