12738254 has 4 divisors (see below), whose sum is σ = 19107384. Its totient is φ = 6369126.

The previous prime is 12738247. The next prime is 12738283. The reversal of 12738254 is 45283721.

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

It is a super-2 number, since 2×12738254² = 324526229937032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12738254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3184562 + ... + 3184565.

It is an arithmetic number, because the mean of its divisors is an integer number (4776846).

Almost surely, 2^12738254 is an apocalyptic number.

12738254 is a deficient number, since it is larger than the sum of its proper divisors (6369130).

12738254 is an equidigital number, since it uses as much as digits as its factorization.

12738254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369129.

The product of its digits is 13440, while the sum is 32.

The square root of 12738254 is about 3569.0690662973. The cubic root of 12738254 is about 233.5446742804.

The spelling of 12738254 in words is "twelve million, seven hundred thirty-eight thousand, two hundred fifty-four".