21467413 has 8 divisors (see below), whose sum is σ = 24796800. Its totient is φ = 18367680.

The previous prime is 21467399. The next prime is 21467419. The reversal of 21467413 is 31476412.

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

It is a cyclic number.

It is not a de Polignac number, because 21467413 - 2⁹ = 21466901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21467419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57213 + ... + 57586.

It is an arithmetic number, because the mean of its divisors is an integer number (3099600).

Almost surely, 2^21467413 is an apocalyptic number.

It is an amenable number.

21467413 is a deficient number, since it is larger than the sum of its proper divisors (3329387).

21467413 is a wasteful number, since it uses less digits than its factorization.

21467413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114827.

The product of its digits is 4032, while the sum is 28.

The square root of 21467413 is about 4633.2939686577. The cubic root of 21467413 is about 277.9243320103.

It can be divided in two parts, 2146 and 7413, that added together give a palindrome (9559).

The spelling of 21467413 in words is "twenty-one million, four hundred sixty-seven thousand, four hundred thirteen".