13214458 has 4 divisors (see below), whose sum is σ = 19821690. Its totient is φ = 6607228.

The previous prime is 13214447. The next prime is 13214471. The reversal of 13214458 is 85441231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85441231 = 181 ⋅472051.

It can be written as a sum of positive squares in only one way, i.e., 13082689 + 131769 = 3617^2 + 363^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303613 + ... + 3303616.

Almost surely, 2^13214458 is an apocalyptic number.

13214458 is a deficient number, since it is larger than the sum of its proper divisors (6607232).

13214458 is an equidigital number, since it uses as much as digits as its factorization.

13214458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6607231.

The product of its digits is 3840, while the sum is 28.

The square root of 13214458 is about 3635.1695971440. The cubic root of 13214458 is about 236.4194040816.

Adding to 13214458 its reverse (85441231), we get a palindrome (98655689).

The spelling of 13214458 in words is "thirteen million, two hundred fourteen thousand, four hundred fifty-eight".