21412150 has 24 divisors (see below), whose sum is σ = 41202720. Its totient is φ = 8268960.

The previous prime is 21412133. The next prime is 21412177. The reversal of 21412150 is 5121412.

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 11 ways as a sum of consecutive naturals, for example, 5934 + ... + 8833.

It is an arithmetic number, because the mean of its divisors is an integer number (1716780).

Almost surely, 2^21412150 is an apocalyptic number.

21412150 is a deficient number, since it is larger than the sum of its proper divisors (19790570).

21412150 is a wasteful number, since it uses less digits than its factorization.

21412150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14808 (or 14803 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 21412150 is about 4627.3264419101. The cubic root of 21412150 is about 277.6856426286.

Adding to 21412150 its reverse (5121412), we get a palindrome (26533562).

The spelling of 21412150 in words is "twenty-one million, four hundred twelve thousand, one hundred fifty".