11867790 has 32 divisors (see below), whose sum is σ = 31072896. Its totient is φ = 2876960.

The previous prime is 11867783. The next prime is 11867797. The reversal of 11867790 is 9776811.

11867790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11867783) and next prime (11867797).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11867797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17652 + ... + 18311.

It is an arithmetic number, because the mean of its divisors is an integer number (971028).

Almost surely, 2^11867790 is an apocalyptic number.

11867790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11867790 is an abundant number, since it is smaller than the sum of its proper divisors (19205106).

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

11867790 is a wasteful number, since it uses less digits than its factorization.

11867790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35984.

The product of its (nonzero) digits is 21168, while the sum is 39.

The square root of 11867790 is about 3444.9658924291. The cubic root of 11867790 is about 228.0989490487.

The spelling of 11867790 in words is "eleven million, eight hundred sixty-seven thousand, seven hundred ninety".