11172329 has 4 divisors (see below), whose sum is σ = 12768384. Its totient is φ = 9576276.

The previous prime is 11172313. The next prime is 11172341. The reversal of 11172329 is 92327111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11172329 - 2⁴ = 11172313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11172298 and 11172307.

It is not an unprimeable number, because it can be changed into a prime (11172379) 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, 798017 + ... + 798030.

It is an arithmetic number, because the mean of its divisors is an integer number (3192096).

Almost surely, 2^11172329 is an apocalyptic number.

It is an amenable number.

11172329 is a deficient number, since it is larger than the sum of its proper divisors (1596055).

11172329 is an equidigital number, since it uses as much as digits as its factorization.

11172329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596054.

The product of its digits is 756, while the sum is 26.

The square root of 11172329 is about 3342.5034031396. The cubic root of 11172329 is about 223.5533790728.

The spelling of 11172329 in words is "eleven million, one hundred seventy-two thousand, three hundred twenty-nine".