13152644 has 12 divisors (see below), whose sum is σ = 23043468. Its totient is φ = 6568800.

The previous prime is 13152641. The next prime is 13152653. The reversal of 13152644 is 44625131.

It can be written as a sum of positive squares in 2 ways, for example, as 1849600 + 11303044 = 1360^2 + 3362^2 .

It is not an unprimeable number, because it can be changed into a prime (13152641) 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, 4334 + ... + 6714.

It is an arithmetic number, because the mean of its divisors is an integer number (1920289).

Almost surely, 2^13152644 is an apocalyptic number.

It is an amenable number.

13152644 is a deficient number, since it is larger than the sum of its proper divisors (9890824).

13152644 is a wasteful number, since it uses less digits than its factorization.

13152644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766 (or 3764 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 13152644 is about 3626.6574142039. The cubic root of 13152644 is about 236.0501904168.

Adding to 13152644 its reverse (44625131), we get a palindrome (57777775).

The spelling of 13152644 in words is "thirteen million, one hundred fifty-two thousand, six hundred forty-four".