11172308 has 24 divisors (see below), whose sum is σ = 23116800. Its totient is φ = 4622688.

The previous prime is 11172289. The next prime is 11172311. The reversal of 11172308 is 80327111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6068 + ... + 7691.

It is an arithmetic number, because the mean of its divisors is an integer number (963200).

Almost surely, 2^11172308 is an apocalyptic number.

It is an amenable number.

11172308 is an abundant number, since it is smaller than the sum of its proper divisors (11944492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11172308 is a wasteful number, since it uses less digits than its factorization.

11172308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13799 (or 13797 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 11172308 is about 3342.5002617801. The cubic root of 11172308 is about 223.5532390058.

Adding to 11172308 its reverse (80327111), we get a palindrome (91499419).

The spelling of 11172308 in words is "eleven million, one hundred seventy-two thousand, three hundred eight".