12320590 has 16 divisors (see below), whose sum is σ = 22219920. Its totient is φ = 4918720.

The previous prime is 12320587. The next prime is 12320599. The reversal of 12320590 is 9502321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320599) 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, 6801 + ... + 8419.

It is an arithmetic number, because the mean of its divisors is an integer number (1388745).

Almost surely, 2^12320590 is an apocalyptic number.

12320590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12320590 is a deficient number, since it is larger than the sum of its proper divisors (9899330).

12320590 is a wasteful number, since it uses less digits than its factorization.

12320590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 12320590 is about 3510.0697998758. The cubic root of 12320590 is about 230.9637568620.

The spelling of 12320590 in words is "twelve million, three hundred twenty thousand, five hundred ninety".