12889652 has 6 divisors (see below), whose sum is σ = 22556898. Its totient is φ = 6444824.

The previous prime is 12889649. The next prime is 12889663. The reversal of 12889652 is 25698821.

It can be written as a sum of positive squares in only one way, i.e., 12432676 + 456976 = 3526^2 + 676^2 .

It is a super-2 number, since 2×12889652² = 332286257362208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1611203 + ... + 1611210.

It is an arithmetic number, because the mean of its divisors is an integer number (3759483).

Almost surely, 2^12889652 is an apocalyptic number.

It is an amenable number.

12889652 is a deficient number, since it is larger than the sum of its proper divisors (9667246).

12889652 is a wasteful number, since it uses less digits than its factorization.

12889652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222417 (or 3222415 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 12889652 is about 3590.2161494818. The cubic root of 12889652 is about 234.4662823576.

The spelling of 12889652 in words is "twelve million, eight hundred eighty-nine thousand, six hundred fifty-two".