13214251 has 4 divisors (see below), whose sum is σ = 13381600. Its totient is φ = 13046904.

The previous prime is 13214249. The next prime is 13214261. The reversal of 13214251 is 15241231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15241231 = 17 ⋅896543.

It is a cyclic number.

It is not a de Polignac number, because 13214251 - 2¹ = 13214249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13214221) 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 in 3 ways as a sum of consecutive naturals, for example, 83556 + ... + 83713.

It is an arithmetic number, because the mean of its divisors is an integer number (3345400).

Almost surely, 2^13214251 is an apocalyptic number.

13214251 is a deficient number, since it is larger than the sum of its proper divisors (167349).

13214251 is an equidigital number, since it uses as much as digits as its factorization.

13214251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167348.

The product of its digits is 240, while the sum is 19.

The square root of 13214251 is about 3635.1411251835. The cubic root of 13214251 is about 236.4181695985.

Adding to 13214251 its reverse (15241231), we get a palindrome (28455482).

The spelling of 13214251 in words is "thirteen million, two hundred fourteen thousand, two hundred fifty-one".