11620043 has 4 divisors (see below), whose sum is σ = 11632848. Its totient is φ = 11607240.

The previous prime is 11620033. The next prime is 11620051. The reversal of 11620043 is 34002611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11620043 - 2⁸ = 11619787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11620003) 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, 4928 + ... + 6893.

It is an arithmetic number, because the mean of its divisors is an integer number (2908212).

Almost surely, 2^11620043 is an apocalyptic number.

11620043 is a deficient number, since it is larger than the sum of its proper divisors (12805).

11620043 is an equidigital number, since it uses as much as digits as its factorization.

11620043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12804.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 11620043 is about 3408.8184169885. The cubic root of 11620043 is about 226.5005417228.

Adding to 11620043 its reverse (34002611), we get a palindrome (45622654).

The spelling of 11620043 in words is "eleven million, six hundred twenty thousand, forty-three".