12489395 has 4 divisors (see below), whose sum is σ = 14987280. Its totient is φ = 9991512.

The previous prime is 12489371. The next prime is 12489427. The reversal of 12489395 is 59398421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59398421 = 73 ⋅813677.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12489395 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1248935 + ... + 1248944.

It is an arithmetic number, because the mean of its divisors is an integer number (3746820).

Almost surely, 2^12489395 is an apocalyptic number.

12489395 is a deficient number, since it is larger than the sum of its proper divisors (2497885).

12489395 is an equidigital number, since it uses as much as digits as its factorization.

12489395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497884.

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

The square root of 12489395 is about 3534.0338142129. The cubic root of 12489395 is about 232.0137910450.

The spelling of 12489395 in words is "twelve million, four hundred eighty-nine thousand, three hundred ninety-five".