13553312 has 12 divisors (see below), whose sum is σ = 26683146. Its totient is φ = 6776640.

The previous prime is 13553311. The next prime is 13553341. The reversal of 13553312 is 21335531.

13553312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13278736 + 274576 = 3644^2 + 524^2 .

It is not an unprimeable number, because it can be changed into a prime (13553311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211739 + ... + 211802.

Almost surely, 2^13553312 is an apocalyptic number.

It is an amenable number.

13553312 is a deficient number, since it is larger than the sum of its proper divisors (13129834).

13553312 is an equidigital number, since it uses as much as digits as its factorization.

13553312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423551 (or 423543 counting only the distinct ones).

The product of its digits is 1350, while the sum is 23.

The square root of 13553312 is about 3681.4823101571. The cubic root of 13553312 is about 238.4231813862.

Adding to 13553312 its reverse (21335531), we get a palindrome (34888843).

The spelling of 13553312 in words is "thirteen million, five hundred fifty-three thousand, three hundred twelve".