14540213 has 4 divisors (see below), whose sum is σ = 14739468. Its totient is φ = 14340960.

The previous prime is 14540167. The next prime is 14540233. The reversal of 14540213 is 31204541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31204541 = 43 ⋅725687.

It can be written as a sum of positive squares in 2 ways, for example, as 11957764 + 2582449 = 3458^2 + 1607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14540213 is a prime.

It is a super-2 number, since 2×14540213² = 422835588170738, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14540233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99518 + ... + 99663.

It is an arithmetic number, because the mean of its divisors is an integer number (3684867).

Almost surely, 2^14540213 is an apocalyptic number.

It is an amenable number.

14540213 is a deficient number, since it is larger than the sum of its proper divisors (199255).

14540213 is an equidigital number, since it uses as much as digits as its factorization.

14540213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199254.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 14540213 is about 3813.1631226581. The cubic root of 14540213 is about 244.0751638452.

Adding to 14540213 its reverse (31204541), we get a palindrome (45744754).

The spelling of 14540213 in words is "fourteen million, five hundred forty thousand, two hundred thirteen".