12889346 has 8 divisors (see below), whose sum is σ = 19368720. Its totient is φ = 6433108.

The previous prime is 12889339. The next prime is 12889351. The reversal of 12889346 is 64398821.

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

It is a super-2 number, since 2×12889346² = 332270480615432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4316 + ... + 6663.

It is an arithmetic number, because the mean of its divisors is an integer number (2421090).

Almost surely, 2^12889346 is an apocalyptic number.

12889346 is a deficient number, since it is larger than the sum of its proper divisors (6479374).

12889346 is a wasteful number, since it uses less digits than its factorization.

12889346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11568.

The product of its digits is 82944, while the sum is 41.

The square root of 12889346 is about 3590.1735334103. The cubic root of 12889346 is about 234.4644269351.

The spelling of 12889346 in words is "twelve million, eight hundred eighty-nine thousand, three hundred forty-six".