13114221 has 4 divisors (see below), whose sum is σ = 17485632. Its totient is φ = 8742812.

The previous prime is 13114217. The next prime is 13114261. The reversal of 13114221 is 12241131.

13114221 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13114221 - 2² = 13114217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13114221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13114201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185701 + ... + 2185706.

It is an arithmetic number, because the mean of its divisors is an integer number (4371408).

Almost surely, 2^13114221 is an apocalyptic number.

It is an amenable number.

13114221 is a deficient number, since it is larger than the sum of its proper divisors (4371411).

13114221 is an equidigital number, since it uses as much as digits as its factorization.

13114221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371410.

The product of its digits is 48, while the sum is 15.

The square root of 13114221 is about 3621.3562376546. The cubic root of 13114221 is about 235.8201073325.

Adding to 13114221 its reverse (12241131), we get a palindrome (25355352).

The spelling of 13114221 in words is "thirteen million, one hundred fourteen thousand, two hundred twenty-one".