13631214 has 8 divisors (see below), whose sum is σ = 27262440. Its totient is φ = 4543736.

The previous prime is 13631209. The next prime is 13631221. The reversal of 13631214 is 41213631.

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

13631214 is an admirable number.

It is a super-2 number, since 2×13631214² = 371619990227592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135929 + ... + 1135940.

It is an arithmetic number, because the mean of its divisors is an integer number (3407805).

Almost surely, 2^13631214 is an apocalyptic number.

13631214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13631214 is a wasteful number, since it uses less digits than its factorization.

13631214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271874.

The product of its digits is 432, while the sum is 21.

The square root of 13631214 is about 3692.0473994790. The cubic root of 13631214 is about 238.8791134834.

Adding to 13631214 its reverse (41213631), we get a palindrome (54844845).

The spelling of 13631214 in words is "thirteen million, six hundred thirty-one thousand, two hundred fourteen".