12498865 has 16 divisors (see below), whose sum is σ = 15912000. Its totient is φ = 9398592.

The previous prime is 12498823. The next prime is 12498869. The reversal of 12498865 is 56889421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12498865 - 2¹⁷ = 12367793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12498869) 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, 13714 + ... + 14596.

It is an arithmetic number, because the mean of its divisors is an integer number (994500).

Almost surely, 2^12498865 is an apocalyptic number.

It is an amenable number.

12498865 is a deficient number, since it is larger than the sum of its proper divisors (3413135).

12498865 is a wasteful number, since it uses less digits than its factorization.

12498865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056.

The product of its digits is 138240, while the sum is 43.

The square root of 12498865 is about 3535.3733890496. The cubic root of 12498865 is about 232.0724171969.

It can be divided in two parts, 124 and 98865, that added together give a palindrome (98989).

The spelling of 12498865 in words is "twelve million, four hundred ninety-eight thousand, eight hundred sixty-five".