12389951 has 8 divisors (see below), whose sum is σ = 14182560. Its totient is φ = 10603008.

The previous prime is 12389917. The next prime is 12389963. The reversal of 12389951 is 15998321.

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

It is a cyclic number.

It is not a de Polignac number, because 12389951 - 2¹⁴ = 12373567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12389911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5615 + ... + 7503.

It is an arithmetic number, because the mean of its divisors is an integer number (1772820).

Almost surely, 2^12389951 is an apocalyptic number.

12389951 is a deficient number, since it is larger than the sum of its proper divisors (1792609).

12389951 is an equidigital number, since it uses as much as digits as its factorization.

12389951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833.

The product of its digits is 19440, while the sum is 38.

The square root of 12389951 is about 3519.9362210131. The cubic root of 12389951 is about 231.3963635403.

The spelling of 12389951 in words is "twelve million, three hundred eighty-nine thousand, nine hundred fifty-one".