13540322 has 4 divisors (see below), whose sum is σ = 20310486. Its totient is φ = 6770160.

The previous prime is 13540309. The next prime is 13540333. The reversal of 13540322 is 22304531.

It is a happy number.

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., 12243001 + 1297321 = 3499^2 + 1139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13540294 and 13540303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3385079 + ... + 3385082.

Almost surely, 2^13540322 is an apocalyptic number.

13540322 is a deficient number, since it is larger than the sum of its proper divisors (6770164).

13540322 is an equidigital number, since it uses as much as digits as its factorization.

13540322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770163.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13540322 is about 3679.7176522119. The cubic root of 13540322 is about 238.3469858133.

Adding to 13540322 its reverse (22304531), we get a palindrome (35844853).

The spelling of 13540322 in words is "thirteen million, five hundred forty thousand, three hundred twenty-two".