12478332 has 24 divisors (see below), whose sum is σ = 29183616. Its totient is φ = 4149808.

The previous prime is 12478331. The next prime is 12478339. The reversal of 12478332 is 23387421.

It is a self number, because there is not a number n which added to its sum of digits gives 12478332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12478331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5833 + ... + 7679.

It is an arithmetic number, because the mean of its divisors is an integer number (1215984).

Almost surely, 2^12478332 is an apocalyptic number.

12478332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12478332 is an abundant number, since it is smaller than the sum of its proper divisors (16705284).

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

12478332 is a wasteful number, since it uses less digits than its factorization.

12478332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417 (or 2415 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 12478332 is about 3532.4682588808. The cubic root of 12478332 is about 231.9452655262.

The spelling of 12478332 in words is "twelve million, four hundred seventy-eight thousand, three hundred thirty-two".