12389495 has 4 divisors (see below), whose sum is σ = 14867400. Its totient is φ = 9911592.

The previous prime is 12389483. The next prime is 12389497. The reversal of 12389495 is 59498321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12389495 - 2⁸ = 12389239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12389497) 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, 1238945 + ... + 1238954.

It is an arithmetic number, because the mean of its divisors is an integer number (3716850).

Almost surely, 2^12389495 is an apocalyptic number.

12389495 is a deficient number, since it is larger than the sum of its proper divisors (2477905).

12389495 is an equidigital number, since it uses as much as digits as its factorization.

12389495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477904.

The product of its digits is 77760, while the sum is 41.

The square root of 12389495 is about 3519.8714465162. The cubic root of 12389495 is about 231.3935247334.

The spelling of 12389495 in words is "twelve million, three hundred eighty-nine thousand, four hundred ninety-five".