13155322 has 4 divisors (see below), whose sum is σ = 19732986. Its totient is φ = 6577660.

The previous prime is 13155281. The next prime is 13155323. The reversal of 13155322 is 22355131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13111641 + 43681 = 3621^2 + 209^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13155293 and 13155302.

It is not an unprimeable number, because it can be changed into a prime (13155323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3288829 + ... + 3288832.

Almost surely, 2^13155322 is an apocalyptic number.

13155322 is a deficient number, since it is larger than the sum of its proper divisors (6577664).

13155322 is an equidigital number, since it uses as much as digits as its factorization.

13155322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6577663.

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

The square root of 13155322 is about 3627.0266059129. The cubic root of 13155322 is about 236.0662099972.

The spelling of 13155322 in words is "thirteen million, one hundred fifty-five thousand, three hundred twenty-two".