11288667 has 8 divisors (see below), whose sum is σ = 16209424. Its totient is φ = 6946848.

The previous prime is 11288633. The next prime is 11288677. The reversal of 11288667 is 76688211.

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

It is not a de Polignac number, because 11288667 - 2⁷ = 11288539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 289453 = 11288667 / (1 + 1 + 2 + 8 + 8 + 6 + 6 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11288677) 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, 144688 + ... + 144765.

It is an arithmetic number, because the mean of its divisors is an integer number (2026178).

Almost surely, 2^11288667 is an apocalyptic number.

11288667 is a deficient number, since it is larger than the sum of its proper divisors (4920757).

11288667 is a wasteful number, since it uses less digits than its factorization.

11288667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289469.

The product of its digits is 32256, while the sum is 39.

The square root of 11288667 is about 3359.8611578457. The cubic root of 11288667 is about 224.3266585541.

The spelling of 11288667 in words is "eleven million, two hundred eighty-eight thousand, six hundred sixty-seven".