12390195 has 16 divisors (see below), whose sum is σ = 20990880. Its totient is φ = 6219264.

The previous prime is 12390151. The next prime is 12390197. The reversal of 12390195 is 59109321.

It is not a de Polignac number, because 12390195 - 2¹¹ = 12388147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12390197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24040 + ... + 24549.

It is an arithmetic number, because the mean of its divisors is an integer number (1311930).

Almost surely, 2^12390195 is an apocalyptic number.

12390195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12390195 is a deficient number, since it is larger than the sum of its proper divisors (8600685).

12390195 is a wasteful number, since it uses less digits than its factorization.

12390195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48614.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 12390195 is about 3519.9708805614. The cubic root of 12390195 is about 231.3978825224.

The spelling of 12390195 in words is "twelve million, three hundred ninety thousand, one hundred ninety-five".