13321552 has 10 divisors (see below), whose sum is σ = 25810538. Its totient is φ = 6660768.

The previous prime is 13321513. The next prime is 13321559. The reversal of 13321552 is 25512331.

It can be written as a sum of positive squares in only one way, i.e., 11316496 + 2005056 = 3364^2 + 1416^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416283 + ... + 416314.

Almost surely, 2^13321552 is an apocalyptic number.

It is an amenable number.

13321552 is a deficient number, since it is larger than the sum of its proper divisors (12488986).

13321552 is an equidigital number, since it uses as much as digits as its factorization.

13321552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832605 (or 832599 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 13321552 is about 3649.8701346760. The cubic root of 13321552 is about 237.0563581425.

Adding to 13321552 its reverse (25512331), we get a palindrome (38833883).

The spelling of 13321552 in words is "thirteen million, three hundred twenty-one thousand, five hundred fifty-two".