12889357 has 16 divisors (see below), whose sum is σ = 14436352. Its totient is φ = 11430720.

The previous prime is 12889351. The next prime is 12889423. The reversal of 12889357 is 75398821.

It is a cyclic number.

It is not a de Polignac number, because 12889357 - 2¹⁵ = 12856589 is a prime.

It is a super-2 number, since 2×12889357² = 332271047746898, 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 (12889351) 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 15 ways as a sum of consecutive naturals, for example, 60982 + ... + 61192.

It is an arithmetic number, because the mean of its divisors is an integer number (902272).

Almost surely, 2^12889357 is an apocalyptic number.

It is an amenable number.

12889357 is a deficient number, since it is larger than the sum of its proper divisors (1546995).

12889357 is a wasteful number, since it uses less digits than its factorization.

12889357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388.

The product of its digits is 120960, while the sum is 43.

The square root of 12889357 is about 3590.1750653694. The cubic root of 12889357 is about 234.4644936338.

The spelling of 12889357 in words is "twelve million, eight hundred eighty-nine thousand, three hundred fifty-seven".