11880867 has 4 divisors (see below), whose sum is σ = 15841160. Its totient is φ = 7920576.

The previous prime is 11880863. The next prime is 11880893. The reversal of 11880867 is 76808811.

11880867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11880867 - 2² = 11880863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11880863) 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, 1980142 + ... + 1980147.

It is an arithmetic number, because the mean of its divisors is an integer number (3960290).

Almost surely, 2^11880867 is an apocalyptic number.

11880867 is a deficient number, since it is larger than the sum of its proper divisors (3960293).

11880867 is an equidigital number, since it uses as much as digits as its factorization.

11880867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960292.

The product of its (nonzero) digits is 21504, while the sum is 39.

The square root of 11880867 is about 3446.8633567346. The cubic root of 11880867 is about 228.1826982847.

The spelling of 11880867 in words is "eleven million, eight hundred eighty thousand, eight hundred sixty-seven".