13009969 has 8 divisors (see below), whose sum is σ = 15078528. Its totient is φ = 10993920.

The previous prime is 13009967. The next prime is 13010047. The reversal of 13009969 is 96990031.

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

It is not a de Polignac number, because 13009969 - 2¹ = 13009967 is a prime.

It is a super-2 number, since 2×13009969² = 338518586761922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13009961) 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, 12592 + ... + 13585.

It is an arithmetic number, because the mean of its divisors is an integer number (1884816).

Almost surely, 2^13009969 is an apocalyptic number.

It is an amenable number.

13009969 is a deficient number, since it is larger than the sum of its proper divisors (2068559).

13009969 is an equidigital number, since it uses as much as digits as its factorization.

13009969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26255.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 13009969 is about 3606.9334620977. The cubic root of 13009969 is about 235.1935571472.

The spelling of 13009969 in words is "thirteen million, nine thousand, nine hundred sixty-nine".