12946472 has 32 divisors (see below), whose sum is σ = 30265920. Its totient is φ = 5043840.

The previous prime is 12946471. The next prime is 12946487. The reversal of 12946472 is 27464921.

It is a super-2 number, since 2×12946472² = 335222274493568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12946471) 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, 9893 + ... + 11124.

It is an arithmetic number, because the mean of its divisors is an integer number (945810).

Almost surely, 2^12946472 is an apocalyptic number.

It is an amenable number.

12946472 is an abundant number, since it is smaller than the sum of its proper divisors (17319448).

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

12946472 is a wasteful number, since it uses less digits than its factorization.

12946472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21041 (or 21037 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 12946472 is about 3598.1206205462. The cubic root of 12946472 is about 234.8103011132.

The spelling of 12946472 in words is "twelve million, nine hundred forty-six thousand, four hundred seventy-two".