13144706 has 8 divisors (see below), whose sum is σ = 20876940. Its totient is φ = 6185728.

The previous prime is 13144697. The next prime is 13144709. The reversal of 13144706 is 60744131.

It can be written as a sum of positive squares in 2 ways, for example, as 10504081 + 2640625 = 3241^2 + 1625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13144709) 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, 193271 + ... + 193338.

Almost surely, 2^13144706 is an apocalyptic number.

13144706 is a deficient number, since it is larger than the sum of its proper divisors (7732234).

13144706 is a wasteful number, since it uses less digits than its factorization.

13144706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386628.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 13144706 is about 3625.5628528547. The cubic root of 13144706 is about 236.0026931609.

Adding to 13144706 its reverse (60744131), we get a palindrome (73888837).

The spelling of 13144706 in words is "thirteen million, one hundred forty-four thousand, seven hundred six".