63213412 has 12 divisors (see below), whose sum is σ = 117130860. Its totient is φ = 29747456.

The previous prime is 63213391. The next prime is 63213419. The reversal of 63213412 is 21431236.

63213412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47004736 + 16208676 = 6856^2 + 4026^2 .

It is not an unprimeable number, because it can be changed into a prime (63213419) 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, 464737 + ... + 464872.

It is an arithmetic number, because the mean of its divisors is an integer number (9760905).

Almost surely, 2^63213412 is an apocalyptic number.

It is an amenable number.

63213412 is a deficient number, since it is larger than the sum of its proper divisors (53917448).

63213412 is a wasteful number, since it uses less digits than its factorization.

63213412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929630 (or 929628 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 63213412 is about 7950.6862596885. The cubic root of 63213412 is about 398.3545152317.

Adding to 63213412 its reverse (21431236), we get a palindrome (84644648).

The spelling of 63213412 in words is "sixty-three million, two hundred thirteen thousand, four hundred twelve".