12003478 has 8 divisors (see below), whose sum is σ = 18952920. Its totient is φ = 5685840.

The previous prime is 12003457. The next prime is 12003527. The reversal of 12003478 is 87430021.

12003478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 157903 + ... + 157978.

It is an arithmetic number, because the mean of its divisors is an integer number (2369115).

Almost surely, 2^12003478 is an apocalyptic number.

12003478 is a deficient number, since it is larger than the sum of its proper divisors (6949442).

12003478 is a wasteful number, since it uses less digits than its factorization.

12003478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315902.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12003478 is about 3464.6035848276. The cubic root of 12003478 is about 228.9649647971.

Adding to 12003478 its reverse (87430021), we get a palindrome (99433499).

The spelling of 12003478 in words is "twelve million, three thousand, four hundred seventy-eight".