12815069 has 8 divisors (see below), whose sum is σ = 13016160. Its totient is φ = 12615696.

The previous prime is 12815053. The next prime is 12815081. The reversal of 12815069 is 96051821.

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 12815069 - 2⁴ = 12815053 is a prime.

It is a super-2 number, since 2×12815069² = 328451986949522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12815269) 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, 24242 + ... + 24764.

It is an arithmetic number, because the mean of its divisors is an integer number (1627020).

Almost surely, 2^12815069 is an apocalyptic number.

It is an amenable number.

12815069 is a deficient number, since it is larger than the sum of its proper divisors (201091).

12815069 is a wasteful number, since it uses less digits than its factorization.

12815069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 12815069 is about 3579.8141013187. The cubic root of 12815069 is about 234.0131789397.

The spelling of 12815069 in words is "twelve million, eight hundred fifteen thousand, sixty-nine".