12292738 has 4 divisors (see below), whose sum is σ = 18439110. Its totient is φ = 6146368.

The previous prime is 12292733. The next prime is 12292739. The reversal of 12292738 is 83729221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10284849 + 2007889 = 3207^2 + 1417^2 .

It is a super-2 number, since 2×12292738² = 302222815073288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12292733) 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 as a sum of consecutive naturals, namely, 3073183 + ... + 3073186.

Almost surely, 2^12292738 is an apocalyptic number.

12292738 is a deficient number, since it is larger than the sum of its proper divisors (6146372).

12292738 is an equidigital number, since it uses as much as digits as its factorization.

12292738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6146371.

The product of its digits is 12096, while the sum is 34.

The square root of 12292738 is about 3506.1001126608. The cubic root of 12292738 is about 230.7895861988.

The spelling of 12292738 in words is "twelve million, two hundred ninety-two thousand, seven hundred thirty-eight".