13350644 has 18 divisors (see below), whose sum is σ = 24820950. Its totient is φ = 6282112.

The previous prime is 13350641. The next prime is 13350671. The reversal of 13350644 is 44605331.

It can be written as a sum of positive squares in 3 ways, for example, as 9302500 + 4048144 = 3050^2 + 2012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13350641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4619 + ... + 6930.

Almost surely, 2^13350644 is an apocalyptic number.

It is an amenable number.

13350644 is a deficient number, since it is larger than the sum of its proper divisors (11470306).

13350644 is a wasteful number, since it uses less digits than its factorization.

13350644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11587 (or 11568 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 13350644 is about 3653.8533084950. The cubic root of 13350644 is about 237.2287962446.

Adding to 13350644 its reverse (44605331), we get a palindrome (57955975).

The spelling of 13350644 in words is "thirteen million, three hundred fifty thousand, six hundred forty-four".