12478460 has 12 divisors (see below), whose sum is σ = 26204808. Its totient is φ = 4991376.

The previous prime is 12478457. The next prime is 12478483. The reversal of 12478460 is 6487421.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311942 + ... + 311981.

It is an arithmetic number, because the mean of its divisors is an integer number (2183734).

Almost surely, 2^12478460 is an apocalyptic number.

12478460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12478460 is an abundant number, since it is smaller than the sum of its proper divisors (13726348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12478460 is a wasteful number, since it uses less digits than its factorization.

12478460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623932 (or 623930 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 12478460 is about 3532.4863764776. The cubic root of 12478460 is about 231.9460586047.

The spelling of 12478460 in words is "twelve million, four hundred seventy-eight thousand, four hundred sixty".