12347899 has 16 divisors (see below), whose sum is σ = 13674528. Its totient is φ = 11100672.

The previous prime is 12347897. The next prime is 12347911. The reversal of 12347899 is 99874321.

It is a cyclic number.

It is not a de Polignac number, because 12347899 - 2¹ = 12347897 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12347897) 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, 41997 + ... + 42289.

It is an arithmetic number, because the mean of its divisors is an integer number (854658).

Almost surely, 2^12347899 is an apocalyptic number.

12347899 is a deficient number, since it is larger than the sum of its proper divisors (1326629).

12347899 is a wasteful number, since it uses less digits than its factorization.

12347899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414.

The product of its digits is 108864, while the sum is 43.

The square root of 12347899 is about 3513.9577402126. The cubic root of 12347899 is about 231.1342772345.

The spelling of 12347899 in words is "twelve million, three hundred forty-seven thousand, eight hundred ninety-nine".