21413162 has 8 divisors (see below), whose sum is σ = 32139396. Its totient is φ = 10700032.

The previous prime is 21413143. The next prime is 21413167. The reversal of 21413162 is 26131412.

It can be written as a sum of positive squares in 2 ways, for example, as 13623481 + 7789681 = 3691^2 + 2791^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (21413167) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4568 + ... + 7980.

Almost surely, 2^21413162 is an apocalyptic number.

21413162 is a deficient number, since it is larger than the sum of its proper divisors (10726234).

21413162 is a wasteful number, since it uses less digits than its factorization.

21413162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6552.

The product of its digits is 288, while the sum is 20.

The square root of 21413162 is about 4627.4357910186. The cubic root of 21413162 is about 277.6900173013.

Adding to 21413162 its reverse (26131412), we get a palindrome (47544574).

The spelling of 21413162 in words is "twenty-one million, four hundred thirteen thousand, one hundred sixty-two".