13214646 has 24 divisors (see below), whose sum is σ = 28997280. Its totient is φ = 4348656.

The previous prime is 13214639. The next prime is 13214647. The reversal of 13214646 is 64641231.

13214646 is a `hidden beast` number, since 1 + 3 + 2 + 14 + 646 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13214647) 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 11 ways as a sum of consecutive naturals, for example, 3225 + ... + 6068.

It is an arithmetic number, because the mean of its divisors is an integer number (1208220).

Almost surely, 2^13214646 is an apocalyptic number.

13214646 is an abundant number, since it is smaller than the sum of its proper divisors (15782634).

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

13214646 is a wasteful number, since it uses less digits than its factorization.

13214646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9380 (or 9377 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 13214646 is about 3635.1954555429. The cubic root of 13214646 is about 236.4205252434.

Adding to 13214646 its reverse (64641231), we get a palindrome (77855877).

The spelling of 13214646 in words is "thirteen million, two hundred fourteen thousand, six hundred forty-six".