13642214 has 4 divisors (see below), whose sum is σ = 20463324. Its totient is φ = 6821106.

The previous prime is 13642207. The next prime is 13642219. The reversal of 13642214 is 41224631.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×13642214² = 372220005643592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13642214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13642219) 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 as a sum of consecutive naturals, namely, 3410552 + ... + 3410555.

It is an arithmetic number, because the mean of its divisors is an integer number (5115831).

Almost surely, 2^13642214 is an apocalyptic number.

13642214 is a deficient number, since it is larger than the sum of its proper divisors (6821110).

13642214 is an equidigital number, since it uses as much as digits as its factorization.

13642214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821109.

The product of its digits is 1152, while the sum is 23.

The square root of 13642214 is about 3693.5367874166. The cubic root of 13642214 is about 238.9433524119.

Adding to 13642214 its reverse (41224631), we get a palindrome (54866845).

The spelling of 13642214 in words is "thirteen million, six hundred forty-two thousand, two hundred fourteen".