12267478 has 8 divisors (see below), whose sum is σ = 18417168. Its totient is φ = 6128424.

The previous prime is 12267469. The next prime is 12267503. The reversal of 12267478 is 87476221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575 + ... + 5197.

It is an arithmetic number, because the mean of its divisors is an integer number (2302146).

Almost surely, 2^12267478 is an apocalyptic number.

12267478 is a deficient number, since it is larger than the sum of its proper divisors (6149690).

12267478 is a wasteful number, since it uses less digits than its factorization.

12267478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318.

The product of its digits is 37632, while the sum is 37.

The square root of 12267478 is about 3502.4959671640. The cubic root of 12267478 is about 230.6313967963.

It can be divided in two parts, 122 and 67478, that added together give a square (67600 = 260²).

The spelling of 12267478 in words is "twelve million, two hundred sixty-seven thousand, four hundred seventy-eight".