12471040 has 36 divisors (see below), whose sum is σ = 29875104. Its totient is φ = 4987904.

The previous prime is 12471031. The next prime is 12471071. The reversal of 12471040 is 4017421.

It is a junction number, because it is equal to n+sod(n) for n = 12470999 and 12471017.

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, 3592 + ... + 6151.

It is an arithmetic number, because the mean of its divisors is an integer number (829864).

Almost surely, 2^12471040 is an apocalyptic number.

12471040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12471040 is an abundant number, since it is smaller than the sum of its proper divisors (17404064).

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

12471040 is an frugal number, since it uses more digits than its factorization.

12471040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9764 (or 9750 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 12471040 is about 3531.4359685544. The cubic root of 12471040 is about 231.9000758742.

Adding to 12471040 its reverse (4017421), we get a palindrome (16488461).

It can be divided in two parts, 124710 and 40, that added together give a triangular number (124750 = T₄₉₉).

The spelling of 12471040 in words is "twelve million, four hundred seventy-one thousand, forty".