12499743 has 16 divisors (see below), whose sum is σ = 17785440. Its totient is φ = 7781376.

The previous prime is 12499733. The next prime is 12499757. The reversal of 12499743 is 34799421.

It is not a de Polignac number, because 12499743 - 2¹⁰ = 12498719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499733) 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, 6093 + ... + 7881.

It is an arithmetic number, because the mean of its divisors is an integer number (1111590).

Almost surely, 2^12499743 is an apocalyptic number.

12499743 is a deficient number, since it is larger than the sum of its proper divisors (5285697).

12499743 is a wasteful number, since it uses less digits than its factorization.

12499743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946.

The product of its digits is 54432, while the sum is 39.

The square root of 12499743 is about 3535.4975604574. The cubic root of 12499743 is about 232.0778511520.

The spelling of 12499743 in words is "twelve million, four hundred ninety-nine thousand, seven hundred forty-three".