13321738 has 8 divisors (see below), whose sum is σ = 20851488. Its totient is φ = 6371244.

The previous prime is 13321699. The next prime is 13321741. The reversal of 13321738 is 83712331.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144756 + ... + 144847.

It is an arithmetic number, because the mean of its divisors is an integer number (2606436).

Almost surely, 2^13321738 is an apocalyptic number.

13321738 is a deficient number, since it is larger than the sum of its proper divisors (7529750).

13321738 is a wasteful number, since it uses less digits than its factorization.

13321738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289628.

The product of its digits is 3024, while the sum is 28.

The square root of 13321738 is about 3649.8956149457. The cubic root of 13321738 is about 237.0574614243.

The spelling of 13321738 in words is "thirteen million, three hundred twenty-one thousand, seven hundred thirty-eight".