12478355 has 8 divisors (see below), whose sum is σ = 14992992. Its totient is φ = 9970048.

The previous prime is 12478339. The next prime is 12478363. The reversal of 12478355 is 55387421.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12478355 - 2⁴ = 12478339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6962 + ... + 8568.

It is an arithmetic number, because the mean of its divisors is an integer number (1874124).

Almost surely, 2^12478355 is an apocalyptic number.

12478355 is a deficient number, since it is larger than the sum of its proper divisors (2514637).

12478355 is a wasteful number, since it uses less digits than its factorization.

12478355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165.

The product of its digits is 33600, while the sum is 35.

The square root of 12478355 is about 3532.4715143933. The cubic root of 12478355 is about 231.9454080329.

The spelling of 12478355 in words is "twelve million, four hundred seventy-eight thousand, three hundred fifty-five".