12173390 has 32 divisors (see below), whose sum is σ = 22892544. Its totient is φ = 4655520.

The previous prime is 12173387. The next prime is 12173419. The reversal of 12173390 is 9337121.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32987 + ... + 33353.

It is an arithmetic number, because the mean of its divisors is an integer number (715392).

Almost surely, 2^12173390 is an apocalyptic number.

12173390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12173390 is a deficient number, since it is larger than the sum of its proper divisors (10719154).

12173390 is a wasteful number, since it uses less digits than its factorization.

12173390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 12173390 is about 3489.0385495148. The cubic root of 12173390 is about 230.0402576035.

The spelling of 12173390 in words is "twelve million, one hundred seventy-three thousand, three hundred ninety".