12747426 has 8 divisors (see below), whose sum is σ = 25494864. Its totient is φ = 4249140.

The previous prime is 12747421. The next prime is 12747437. The reversal of 12747426 is 62474721.

It is a sphenic number, since it is the product of 3 distinct primes.

12747426 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12747421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062280 + ... + 1062291.

It is an arithmetic number, because the mean of its divisors is an integer number (3186858).

Almost surely, 2^12747426 is an apocalyptic number.

12747426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12747426 is a wasteful number, since it uses less digits than its factorization.

12747426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124576.

The product of its digits is 18816, while the sum is 33.

The square root of 12747426 is about 3570.3537639847. The cubic root of 12747426 is about 233.6007143478.

The spelling of 12747426 in words is "twelve million, seven hundred forty-seven thousand, four hundred twenty-six".