12707426 has 4 divisors (see below), whose sum is σ = 19061142. Its totient is φ = 6353712.

The previous prime is 12707413. The next prime is 12707501. The reversal of 12707426 is 62470721.

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., 10144225 + 2563201 = 3185^2 + 1601^2 .

It is a super-2 number, since 2×12707426² = 322957351090952, which contains 22 as substring.

It is an unprimeable number.

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, 3176855 + ... + 3176858.

Almost surely, 2^12707426 is an apocalyptic number.

12707426 is a deficient number, since it is larger than the sum of its proper divisors (6353716).

12707426 is an equidigital number, since it uses as much as digits as its factorization.

12707426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6353715.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 12707426 is about 3564.7476769051. The cubic root of 12707426 is about 233.3561206770.

The spelling of 12707426 in words is "twelve million, seven hundred seven thousand, four hundred twenty-six".