11622439 has 4 divisors (see below), whose sum is σ = 11631424. Its totient is φ = 11613456.

The previous prime is 11622419. The next prime is 11622449. The reversal of 11622439 is 93422611.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93422611 = 229 ⋅407959.

It is a cyclic number.

It is not a de Polignac number, because 11622439 - 2¹¹ = 11620391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11622419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2142 + ... + 5275.

It is an arithmetic number, because the mean of its divisors is an integer number (2907856).

Almost surely, 2^11622439 is an apocalyptic number.

11622439 is a deficient number, since it is larger than the sum of its proper divisors (8985).

11622439 is an equidigital number, since it uses as much as digits as its factorization.

11622439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8984.

The product of its digits is 2592, while the sum is 28.

The square root of 11622439 is about 3409.1698402984. The cubic root of 11622439 is about 226.5161084467.

The spelling of 11622439 in words is "eleven million, six hundred twenty-two thousand, four hundred thirty-nine".