12742337 has 4 divisors (see below), whose sum is σ = 12753876. Its totient is φ = 12730800.

The previous prime is 12742321. The next prime is 12742343. The reversal of 12742337 is 73324721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73324721 = 2153 ⋅34057.

It can be written as a sum of positive squares in 2 ways, for example, as 11182336 + 1560001 = 3344^2 + 1249^2 .

It is a cyclic number.

It is not a de Polignac number, because 12742337 - 2⁴ = 12742321 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (12742357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3914 + ... + 6387.

It is an arithmetic number, because the mean of its divisors is an integer number (3188469).

Almost surely, 2^12742337 is an apocalyptic number.

It is an amenable number.

12742337 is a deficient number, since it is larger than the sum of its proper divisors (11539).

12742337 is a wasteful number, since it uses less digits than its factorization.

12742337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11538.

The product of its digits is 7056, while the sum is 29.

The square root of 12742337 is about 3569.6410183659. The cubic root of 12742337 is about 233.5696243519.

The spelling of 12742337 in words is "twelve million, seven hundred forty-two thousand, three hundred thirty-seven".