11622071 has 4 divisors (see below), whose sum is σ = 11655912. Its totient is φ = 11588232.

The previous prime is 11622047. The next prime is 11622073. The reversal of 11622071 is 17022611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17022611 = 983 ⋅17317.

It is a cyclic number.

It is not a de Polignac number, because 11622071 - 2⁶ = 11622007 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 (11622073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16400 + ... + 17093.

It is an arithmetic number, because the mean of its divisors is an integer number (2913978).

Almost surely, 2^11622071 is an apocalyptic number.

11622071 is a deficient number, since it is larger than the sum of its proper divisors (33841).

11622071 is an equidigital number, since it uses as much as digits as its factorization.

11622071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33840.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 11622071 is about 3409.1158677874. The cubic root of 11622071 is about 226.5137177033.

Adding to 11622071 its reverse (17022611), we get a palindrome (28644682).

The spelling of 11622071 in words is "eleven million, six hundred twenty-two thousand, seventy-one".