13321534 has 8 divisors (see below), whose sum is σ = 20084328. Its totient is φ = 6626760.

The previous prime is 13321513. The next prime is 13321559. The reversal of 13321534 is 43512331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13321534² = 354926536226312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16512 + ... + 17299.

It is an arithmetic number, because the mean of its divisors is an integer number (2510541).

Almost surely, 2^13321534 is an apocalyptic number.

13321534 is a deficient number, since it is larger than the sum of its proper divisors (6762794).

13321534 is a wasteful number, since it uses less digits than its factorization.

13321534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34010.

The product of its digits is 1080, while the sum is 22.

The square root of 13321534 is about 3649.8676688340. The cubic root of 13321534 is about 237.0562513727.

Adding to 13321534 its reverse (43512331), we get a palindrome (56833865).

The spelling of 13321534 in words is "thirteen million, three hundred twenty-one thousand, five hundred thirty-four".