11863538 has 8 divisors (see below), whose sum is σ = 18569088. Its totient is φ = 5673844.

The previous prime is 11863519. The next prime is 11863541. The reversal of 11863538 is 83536811.

11863538 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 = 11863498 and 11863507.

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, 128906 + ... + 128997.

It is an arithmetic number, because the mean of its divisors is an integer number (2321136).

Almost surely, 2^11863538 is an apocalyptic number.

11863538 is a deficient number, since it is larger than the sum of its proper divisors (6705550).

11863538 is a wasteful number, since it uses less digits than its factorization.

11863538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257928.

The product of its digits is 17280, while the sum is 35.

The square root of 11863538 is about 3444.3487047626. The cubic root of 11863538 is about 228.0717046451.

The spelling of 11863538 in words is "eleven million, eight hundred sixty-three thousand, five hundred thirty-eight".