12349999 has 6 divisors (see below), whose sum is σ = 12559560. Its totient is φ = 12143880.

The previous prime is 12349993. The next prime is 12350017. The reversal of 12349999 is 99994321.

It is a de Polignac number, because none of the positive numbers 2^k-12349999 is a prime.

It is a Duffinian number.

12349999 is a modest number, since divided by 9999 gives 1234 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12349993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2062 + ... + 5380.

It is an arithmetic number, because the mean of its divisors is an integer number (2093260).

Almost surely, 2^12349999 is an apocalyptic number.

12349999 is a deficient number, since it is larger than the sum of its proper divisors (209561).

12349999 is an frugal number, since it uses more digits than its factorization.

12349999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441 (or 3380 counting only the distinct ones).

The product of its digits is 157464, while the sum is 46.

The square root of 12349999 is about 3514.2565358835. The cubic root of 12349999 is about 231.1473794491.

The spelling of 12349999 in words is "twelve million, three hundred forty-nine thousand, nine hundred ninety-nine".