13144704 has 32 divisors (see below), whose sum is σ = 34916640. Its totient is φ = 4381440.

The previous prime is 13144697. The next prime is 13144709. The reversal of 13144704 is 40744131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13144709) 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, 16732 + ... + 17499.

It is an arithmetic number, because the mean of its divisors is an integer number (1091145).

Almost surely, 2^13144704 is an apocalyptic number.

It is an amenable number.

13144704 is an abundant number, since it is smaller than the sum of its proper divisors (21771936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13144704 is an equidigital number, since it uses as much as digits as its factorization.

13144704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34248 (or 34236 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 13144704 is about 3625.5625770355. The cubic root of 13144704 is about 236.0026811914.

Adding to 13144704 its reverse (40744131), we get a palindrome (53888835).

The spelling of 13144704 in words is "thirteen million, one hundred forty-four thousand, seven hundred four".