11443471 has 12 divisors (see below), whose sum is σ = 12685512. Its totient is φ = 10261728.

The previous prime is 11443457. The next prime is 11443477. The reversal of 11443471 is 17434411.

It is a happy number.

It is not a de Polignac number, because 11443471 - 2⁷ = 11443343 is a prime.

It is a super-3 number, since 3×11443471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11443477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17476 + ... + 18118.

It is an arithmetic number, because the mean of its divisors is an integer number (1057126).

Almost surely, 2^11443471 is an apocalyptic number.

11443471 is a deficient number, since it is larger than the sum of its proper divisors (1242041).

11443471 is an equidigital number, since it uses as much as digits as its factorization.

11443471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 693 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 11443471 is about 3382.8199774744. The cubic root of 11443471 is about 225.3474204767.

Adding to 11443471 its reverse (17434411), we get a palindrome (28877882).

The spelling of 11443471 in words is "eleven million, four hundred forty-three thousand, four hundred seventy-one".