14213146 has 4 divisors (see below), whose sum is σ = 21319722. Its totient is φ = 7106572.

The previous prime is 14213141. The next prime is 14213189. The reversal of 14213146 is 64131241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64131241 = 3361 ⋅19081.

It can be written as a sum of positive squares in only one way, i.e., 11189025 + 3024121 = 3345^2 + 1739^2 .

It is not an unprimeable number, because it can be changed into a prime (14213141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3553285 + ... + 3553288.

Almost surely, 2^14213146 is an apocalyptic number.

14213146 is a deficient number, since it is larger than the sum of its proper divisors (7106576).

14213146 is an equidigital number, since it uses as much as digits as its factorization.

14213146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7106575.

The product of its digits is 576, while the sum is 22.

The square root of 14213146 is about 3770.0326258535. The cubic root of 14213146 is about 242.2311953987.

Adding to 14213146 its reverse (64131241), we get a palindrome (78344387).

The spelling of 14213146 in words is "fourteen million, two hundred thirteen thousand, one hundred forty-six".