11172299 has 4 divisors (see below), whose sum is σ = 11361720. Its totient is φ = 10982880.

The previous prime is 11172289. The next prime is 11172311. The reversal of 11172299 is 99227111.

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 11172299 - 2¹² = 11168203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11172269) 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, 94622 + ... + 94739.

It is an arithmetic number, because the mean of its divisors is an integer number (2840430).

Almost surely, 2^11172299 is an apocalyptic number.

11172299 is a deficient number, since it is larger than the sum of its proper divisors (189421).

11172299 is an equidigital number, since it uses as much as digits as its factorization.

11172299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189420.

The product of its digits is 2268, while the sum is 32.

The square root of 11172299 is about 3342.4989154822. The cubic root of 11172299 is about 223.5531789771.

The spelling of 11172299 in words is "eleven million, one hundred seventy-two thousand, two hundred ninety-nine".