12345099 has 16 divisors (see below), whose sum is σ = 18299904. Its totient is φ = 7351200.

The previous prime is 12345083. The next prime is 12345121. The reversal of 12345099 is 99054321.

It is not a de Polignac number, because 12345099 - 2⁴ = 12345083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12345049) 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, 3897 + ... + 6314.

It is an arithmetic number, because the mean of its divisors is an integer number (1143744).

Almost surely, 2^12345099 is an apocalyptic number.

12345099 is a deficient number, since it is larger than the sum of its proper divisors (5954805).

12345099 is a wasteful number, since it uses less digits than its factorization.

12345099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10258.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 12345099 is about 3513.5593064583. The cubic root of 12345099 is about 231.1168053040.

The spelling of 12345099 in words is "twelve million, three hundred forty-five thousand, ninety-nine".