13318669 has 8 divisors (see below), whose sum is σ = 16392320. Its totient is φ = 10537776.

The previous prime is 13318661. The next prime is 13318693. The reversal of 13318669 is 96681331.

13318669 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13318669 - 2³ = 13318661 is a prime.

It is a super-2 number, since 2×13318669² = 354773887863122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13318661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73089 + ... + 73270.

It is an arithmetic number, because the mean of its divisors is an integer number (2049040).

Almost surely, 2^13318669 is an apocalyptic number.

It is an amenable number.

13318669 is a deficient number, since it is larger than the sum of its proper divisors (3073651).

13318669 is a wasteful number, since it uses less digits than its factorization.

13318669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146379.

The product of its digits is 23328, while the sum is 37.

The square root of 13318669 is about 3649.4751677467. The cubic root of 13318669 is about 237.0392559613.

It can be divided in two parts, 1331 and 8669, that added together give a 4-th power (10000 = 10⁴).

The spelling of 13318669 in words is "thirteen million, three hundred eighteen thousand, six hundred sixty-nine".