11309347 has 12 divisors (see below), whose sum is σ = 13210776. Its totient is φ = 9653280.

The previous prime is 11309341. The next prime is 11309359. The reversal of 11309347 is 74390311.

It is not a de Polignac number, because 11309347 - 2⁷ = 11309219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11309341) 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, 21447 + ... + 21967.

It is an arithmetic number, because the mean of its divisors is an integer number (1100898).

Almost surely, 2^11309347 is an apocalyptic number.

11309347 is a deficient number, since it is larger than the sum of its proper divisors (1901429).

11309347 is an equidigital number, since it uses as much as digits as its factorization.

11309347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 11309347 is about 3362.9372578150. The cubic root of 11309347 is about 224.4635582538.

Adding to 11309347 its reverse (74390311), we get a palindrome (85699658).

The spelling of 11309347 in words is "eleven million, three hundred nine thousand, three hundred forty-seven".