12345790 has 32 divisors (see below), whose sum is σ = 23239584. Its totient is φ = 4717440.

The previous prime is 12345787. The next prime is 12345803. The reversal of 12345790 is 9754321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22297 + ... + 22843.

It is an arithmetic number, because the mean of its divisors is an integer number (726237).

Almost surely, 2^12345790 is an apocalyptic number.

12345790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12345790 is a deficient number, since it is larger than the sum of its proper divisors (10893794).

12345790 is a wasteful number, since it uses less digits than its factorization.

12345790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 12345790 is about 3513.6576384161. The cubic root of 12345790 is about 231.1211173723.

The spelling of 12345790 in words is "twelve million, three hundred forty-five thousand, seven hundred ninety".