11309671 has 4 divisors (see below), whose sum is σ = 11464672. Its totient is φ = 11154672.

The previous prime is 11309659. The next prime is 11309687. The reversal of 11309671 is 17690311.

11309671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11309671 - 2¹⁷ = 11178599 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 (11309621) 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, 77391 + ... + 77536.

It is an arithmetic number, because the mean of its divisors is an integer number (2866168).

Almost surely, 2^11309671 is an apocalyptic number.

11309671 is a deficient number, since it is larger than the sum of its proper divisors (155001).

11309671 is an equidigital number, since it uses as much as digits as its factorization.

11309671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155000.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 11309671 is about 3362.9854296443. The cubic root of 11309671 is about 224.4657017757.

Adding to 11309671 its reverse (17690311), we get a palindrome (28999982).

It can be divided in two parts, 1130 and 9671, that added together give a palindrome (10801).

The spelling of 11309671 in words is "eleven million, three hundred nine thousand, six hundred seventy-one".