11172347 has 8 divisors (see below), whose sum is σ = 11547360. Its totient is φ = 10803520.

The previous prime is 11172341. The next prime is 11172353. The reversal of 11172347 is 74327111.

It is a happy number.

11172347 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11172341) and next prime (11172353).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11172347 - 2¹⁰ = 11171323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11172341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2279 + ... + 5247.

It is an arithmetic number, because the mean of its divisors is an integer number (1443420).

Almost surely, 2^11172347 is an apocalyptic number.

11172347 is a deficient number, since it is larger than the sum of its proper divisors (375013).

11172347 is an equidigital number, since it uses as much as digits as its factorization.

11172347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093.

The product of its digits is 1176, while the sum is 26.

The square root of 11172347 is about 3342.5060957312. The cubic root of 11172347 is about 223.5534991301.

Adding to 11172347 its reverse (74327111), we get a palindrome (85499458).

The spelling of 11172347 in words is "eleven million, one hundred seventy-two thousand, three hundred forty-seven".