21412014 has 32 divisors (see below), whose sum is σ = 46362624. Its totient is φ = 6553440.

The previous prime is 21411983. The next prime is 21412021. The reversal of 21412014 is 41021412.

It is a junction number, because it is equal to n+sod(n) for n = 21411984 and 21412002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16779 + ... + 18009.

It is an arithmetic number, because the mean of its divisors is an integer number (1448832).

Almost surely, 2^21412014 is an apocalyptic number.

21412014 is an abundant number, since it is smaller than the sum of its proper divisors (24950610).

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

21412014 is a wasteful number, since it uses less digits than its factorization.

21412014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 21412014 is about 4627.3117465760. The cubic root of 21412014 is about 277.6850547174.

Adding to 21412014 its reverse (41021412), we get a palindrome (62433426).

The spelling of 21412014 in words is "twenty-one million, four hundred twelve thousand, fourteen".