12889334 has 16 divisors (see below), whose sum is σ = 20850480. Its totient is φ = 5955840.

The previous prime is 12889333. The next prime is 12889337. The reversal of 12889334 is 43398821.

It is a super-2 number, since 2×12889334² = 332269861927112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12889333) 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, 2579 + ... + 5694.

It is an arithmetic number, because the mean of its divisors is an integer number (1303155).

Almost surely, 2^12889334 is an apocalyptic number.

12889334 is a deficient number, since it is larger than the sum of its proper divisors (7961146).

12889334 is a wasteful number, since it uses less digits than its factorization.

12889334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8335.

The product of its digits is 41472, while the sum is 38.

The square root of 12889334 is about 3590.1718621815. The cubic root of 12889334 is about 234.4643541728.

The spelling of 12889334 in words is "twelve million, eight hundred eighty-nine thousand, three hundred thirty-four".