12498651 has 16 divisors (see below), whose sum is σ = 20200320. Its totient is φ = 7574760.

The previous prime is 12498641. The next prime is 12498653. The reversal of 12498651 is 15689421.

It is not a de Polignac number, because 12498651 - 2¹⁰ = 12497627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12498653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20745 + ... + 21338.

It is an arithmetic number, because the mean of its divisors is an integer number (1262520).

Almost surely, 2^12498651 is an apocalyptic number.

12498651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12498651 is a deficient number, since it is larger than the sum of its proper divisors (7701669).

12498651 is a wasteful number, since it uses less digits than its factorization.

12498651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42103 (or 42097 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 12498651 is about 3535.3431233757. The cubic root of 12498651 is about 232.0710927092.

The spelling of 12498651 in words is "twelve million, four hundred ninety-eight thousand, six hundred fifty-one".