12292426 has 4 divisors (see below), whose sum is σ = 18438642. Its totient is φ = 6146212.

The previous prime is 12292421. The next prime is 12292447. The reversal of 12292426 is 62429221.

12292426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 8094025 + 4198401 = 2845^2 + 2049^2 .

It is a super-2 number, since 2×12292426² = 302207473930952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12292394 and 12292403.

It is not an unprimeable number, because it can be changed into a prime (12292421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3073105 + ... + 3073108.

Almost surely, 2^12292426 is an apocalyptic number.

12292426 is a deficient number, since it is larger than the sum of its proper divisors (6146216).

12292426 is an equidigital number, since it uses as much as digits as its factorization.

12292426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6146215.

The product of its digits is 3456, while the sum is 28.

The square root of 12292426 is about 3506.0556184978. The cubic root of 12292426 is about 230.7876336378.

It can be divided in two parts, 1229 and 2426, that added together give a triangular number (3655 = T₈₅).

The spelling of 12292426 in words is "twelve million, two hundred ninety-two thousand, four hundred twenty-six".