12478030 has 32 divisors (see below), whose sum is σ = 23224320. Its totient is φ = 4824480.

The previous prime is 12478009. The next prime is 12478031. The reversal of 12478030 is 3087421.

It is a junction number, because it is equal to n+sod(n) for n = 12477986 and 12478004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12478031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65235 + ... + 65425.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^12478030 is an apocalyptic number.

12478030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12478030 is a deficient number, since it is larger than the sum of its proper divisors (10746290).

12478030 is a wasteful number, since it uses less digits than its factorization.

12478030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384.

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

The square root of 12478030 is about 3532.4255123074. The cubic root of 12478030 is about 231.9433943350.

The spelling of 12478030 in words is "twelve million, four hundred seventy-eight thousand, thirty".