13355969 has 8 divisors (see below), whose sum is σ = 14596608. Its totient is φ = 12119760.

The previous prime is 13355959. The next prime is 13355971. The reversal of 13355969 is 96955331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13355969 is a prime.

It is a super-2 number, since 2×13355969² = 356763815857922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13355959) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11399 + ... + 12515.

It is an arithmetic number, because the mean of its divisors is an integer number (1824576).

Almost surely, 2^13355969 is an apocalyptic number.

It is an amenable number.

13355969 is a deficient number, since it is larger than the sum of its proper divisors (1240639).

13355969 is a wasteful number, since it uses less digits than its factorization.

13355969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215.

The product of its digits is 109350, while the sum is 41.

The square root of 13355969 is about 3654.5819186331. The cubic root of 13355969 is about 237.2603321872.

The spelling of 13355969 in words is "thirteen million, three hundred fifty-five thousand, nine hundred sixty-nine".