11861424 has 40 divisors (see below), whose sum is σ = 34047920. Its totient is φ = 3953664.

The previous prime is 11861413. The next prime is 11861429. The reversal of 11861424 is 42416811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11861429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13297 + ... + 14160.

It is an arithmetic number, because the mean of its divisors is an integer number (851198).

Almost surely, 2^11861424 is an apocalyptic number.

It is an amenable number.

11861424 is an abundant number, since it is smaller than the sum of its proper divisors (22186496).

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

11861424 is a wasteful number, since it uses less digits than its factorization.

11861424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27474 (or 27462 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 11861424 is about 3444.0418115929. The cubic root of 11861424 is about 228.0581569096.

The spelling of 11861424 in words is "eleven million, eight hundred sixty-one thousand, four hundred twenty-four".