11434571 has 4 divisors (see below), whose sum is σ = 11441952. Its totient is φ = 11427192.

The previous prime is 11434543. The next prime is 11434589. The reversal of 11434571 is 17543411.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11434571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11434571.

It is not an unprimeable number, because it can be changed into a prime (11434541) 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, 371 + ... + 4796.

It is an arithmetic number, because the mean of its divisors is an integer number (2860488).

Almost surely, 2^11434571 is an apocalyptic number.

11434571 is a deficient number, since it is larger than the sum of its proper divisors (7381).

11434571 is an equidigital number, since it uses as much as digits as its factorization.

11434571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380.

The product of its digits is 1680, while the sum is 26.

The square root of 11434571 is about 3381.5042510693. The cubic root of 11434571 is about 225.2889850536.

Adding to 11434571 its reverse (17543411), we get a palindrome (28977982).

The spelling of 11434571 in words is "eleven million, four hundred thirty-four thousand, five hundred seventy-one".