12884365 has 8 divisors (see below), whose sum is σ = 16650648. Its totient is φ = 9514560.

The previous prime is 12884341. The next prime is 12884369. The reversal of 12884365 is 56348821.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2829124 + 10055241 = 1682^2 + 3171^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-12884365 is a prime.

It is a super-2 number, since 2×12884365² = 332013722906450, 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 (12884369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99046 + ... + 99175.

It is an arithmetic number, because the mean of its divisors is an integer number (2081331).

Almost surely, 2^12884365 is an apocalyptic number.

It is an amenable number.

12884365 is a deficient number, since it is larger than the sum of its proper divisors (3766283).

12884365 is a wasteful number, since it uses less digits than its factorization.

12884365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198239.

The product of its digits is 46080, while the sum is 37.

The square root of 12884365 is about 3589.4797673200. The cubic root of 12884365 is about 234.4342206500.

The spelling of 12884365 in words is "twelve million, eight hundred eighty-four thousand, three hundred sixty-five".