13144288 has 12 divisors (see below), whose sum is σ = 25877880. Its totient is φ = 6572128.

The previous prime is 13144277. The next prime is 13144291. The reversal of 13144288 is 88244131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205348 + ... + 205411.

It is an arithmetic number, because the mean of its divisors is an integer number (2156490).

Almost surely, 2^13144288 is an apocalyptic number.

It is an amenable number.

13144288 is a deficient number, since it is larger than the sum of its proper divisors (12733592).

13144288 is an equidigital number, since it uses as much as digits as its factorization.

13144288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410769 (or 410761 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 13144288 is about 3625.5052061747. The cubic root of 13144288 is about 236.0001915157. Note that the first 3 decimals are identical.

The spelling of 13144288 in words is "thirteen million, one hundred forty-four thousand, two hundred eighty-eight".