13349769 has 4 divisors (see below), whose sum is σ = 17799696. Its totient is φ = 8899844.

The previous prime is 13349767. The next prime is 13349771. The reversal of 13349769 is 96794331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (13349767) and next prime (13349771).

It is a cyclic number.

It is not a de Polignac number, because 13349769 - 2¹ = 13349767 is a prime.

It is a super-2 number, since 2×13349769² = 356432664706722, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13349769.

It is not an unprimeable number, because it can be changed into a prime (13349767) 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 3 ways as a sum of consecutive naturals, for example, 2224959 + ... + 2224964.

It is an arithmetic number, because the mean of its divisors is an integer number (4449924).

Almost surely, 2^13349769 is an apocalyptic number.

It is an amenable number.

13349769 is a deficient number, since it is larger than the sum of its proper divisors (4449927).

13349769 is an equidigital number, since it uses as much as digits as its factorization.

13349769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449926.

The product of its digits is 122472, while the sum is 42.

The square root of 13349769 is about 3653.7335699254. The cubic root of 13349769 is about 237.2236134801.

The spelling of 13349769 in words is "thirteen million, three hundred forty-nine thousand, seven hundred sixty-nine".