21114876 has 12 divisors (see below), whose sum is σ = 49268072. Its totient is φ = 7038288.

The previous prime is 21114869. The next prime is 21114881. The reversal of 21114876 is 67841112.

It is a tau number, because it is divible by the number of its divisors (12).

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, 879775 + ... + 879798.

Almost surely, 2^21114876 is an apocalyptic number.

It is an amenable number.

21114876 is an abundant number, since it is smaller than the sum of its proper divisors (28153196).

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

21114876 is a wasteful number, since it uses less digits than its factorization.

21114876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759580 (or 1759578 counting only the distinct ones).

The product of its digits is 2688, while the sum is 30.

The square root of 21114876 is about 4595.0925997198. The cubic root of 21114876 is about 276.3945732203.

Adding to 21114876 its reverse (67841112), we get a palindrome (88955988).

The spelling of 21114876 in words is "twenty-one million, one hundred fourteen thousand, eight hundred seventy-six".