12389554 has 8 divisors (see below), whose sum is σ = 19225260. Its totient is φ = 5981136.

The previous prime is 12389551. The next prime is 12389557. The reversal of 12389554 is 45598321.

12389554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12389551) and next prime (12389557).

It can be written as a sum of positive squares in 2 ways, for example, as 10712529 + 1677025 = 3273^2 + 1295^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12389551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106749 + ... + 106864.

Almost surely, 2^12389554 is an apocalyptic number.

12389554 is a deficient number, since it is larger than the sum of its proper divisors (6835706).

12389554 is a wasteful number, since it uses less digits than its factorization.

12389554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213644.

The product of its digits is 43200, while the sum is 37.

The square root of 12389554 is about 3519.8798274941. The cubic root of 12389554 is about 231.3938920390.

The spelling of 12389554 in words is "twelve million, three hundred eighty-nine thousand, five hundred fifty-four".