11287167 has 8 divisors (see below), whose sum is σ = 15934896. Its totient is φ = 7082112.

The previous prime is 11287163. The next prime is 11287189. The reversal of 11287167 is 76178211.

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

It is not a de Polignac number, because 11287167 - 2² = 11287163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11287163) 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, 110608 + ... + 110709.

It is an arithmetic number, because the mean of its divisors is an integer number (1991862).

Almost surely, 2^11287167 is an apocalyptic number.

11287167 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11287167 is a deficient number, since it is larger than the sum of its proper divisors (4647729).

11287167 is a wasteful number, since it uses less digits than its factorization.

11287167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221337.

The product of its digits is 4704, while the sum is 33.

The square root of 11287167 is about 3359.6379269201. The cubic root of 11287167 is about 224.3167221907.

The spelling of 11287167 in words is "eleven million, two hundred eighty-seven thousand, one hundred sixty-seven".