11828667 has 4 divisors (see below), whose sum is σ = 15771560. Its totient is φ = 7885776.

The previous prime is 11828633. The next prime is 11828669. The reversal of 11828667 is 76682811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76682811 = 3 ⋅25560937.

It is not a de Polignac number, because 11828667 - 2⁶ = 11828603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11828669) 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, 1971442 + ... + 1971447.

It is an arithmetic number, because the mean of its divisors is an integer number (3942890).

Almost surely, 2^11828667 is an apocalyptic number.

11828667 is a deficient number, since it is larger than the sum of its proper divisors (3942893).

11828667 is an equidigital number, since it uses as much as digits as its factorization.

11828667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942892.

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

The square root of 11828667 is about 3439.2829194470. The cubic root of 11828667 is about 227.8480250692.

The spelling of 11828667 in words is "eleven million, eight hundred twenty-eight thousand, six hundred sixty-seven".