13144069 has 4 divisors (see below), whose sum is σ = 13222944. Its totient is φ = 13065196.

The previous prime is 13144057. The next prime is 13144073. The reversal of 13144069 is 96044131.

13144069 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96044131 = 127 ⋅756253.

It is a cyclic number.

It is not a de Polignac number, because 13144069 - 2¹³ = 13135877 is a prime.

It is a super-2 number, since 2×13144069² = 345533099753522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39187 + ... + 39520.

It is an arithmetic number, because the mean of its divisors is an integer number (3305736).

Almost surely, 2^13144069 is an apocalyptic number.

It is an amenable number.

13144069 is a deficient number, since it is larger than the sum of its proper divisors (78875).

13144069 is an equidigital number, since it uses as much as digits as its factorization.

13144069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78874.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13144069 is about 3625.4750033616. The cubic root of 13144069 is about 235.9988808240.

The spelling of 13144069 in words is "thirteen million, one hundred forty-four thousand, sixty-nine".