11877638 has 8 divisors (see below), whose sum is σ = 17832360. Its totient is φ = 5933520.

The previous prime is 11877601. The next prime is 11877643. The reversal of 11877638 is 83677811.

11877638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 11877595 and 11877604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373 + ... + 5063.

It is an arithmetic number, because the mean of its divisors is an integer number (2229045).

Almost surely, 2^11877638 is an apocalyptic number.

11877638 is a deficient number, since it is larger than the sum of its proper divisors (5954722).

11877638 is a wasteful number, since it uses less digits than its factorization.

11877638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302.

The product of its digits is 56448, while the sum is 41.

The square root of 11877638 is about 3446.3949280371. The cubic root of 11877638 is about 228.1620244654.

The spelling of 11877638 in words is "eleven million, eight hundred seventy-seven thousand, six hundred thirty-eight".