13144207 has 4 divisors (see below), whose sum is σ = 13175136. Its totient is φ = 13113280.

The previous prime is 13144199. The next prime is 13144211. The reversal of 13144207 is 70244131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70244131 = 599 ⋅117269.

It is a cyclic number.

It is not a de Polignac number, because 13144207 - 2³ = 13144199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144267) 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, 14818 + ... + 15679.

It is an arithmetic number, because the mean of its divisors is an integer number (3293784).

Almost surely, 2^13144207 is an apocalyptic number.

13144207 is a deficient number, since it is larger than the sum of its proper divisors (30929).

13144207 is an equidigital number, since it uses as much as digits as its factorization.

13144207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30928.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 13144207 is about 3625.4940353006. The cubic root of 13144207 is about 235.9997067410. Note that the first 3 decimals are identical.

Adding to 13144207 its reverse (70244131), we get a palindrome (83388338).

The spelling of 13144207 in words is "thirteen million, one hundred forty-four thousand, two hundred seven".