12481892 has 6 divisors (see below), whose sum is σ = 21843318. Its totient is φ = 6240944.

The previous prime is 12481891. The next prime is 12481901. The reversal of 12481892 is 29818421.

It can be written as a sum of positive squares in only one way, i.e., 10588516 + 1893376 = 3254^2 + 1376^2 .

It is not an unprimeable number, because it can be changed into a prime (12481891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560233 + ... + 1560240.

It is an arithmetic number, because the mean of its divisors is an integer number (3640553).

Almost surely, 2^12481892 is an apocalyptic number.

It is an amenable number.

12481892 is a deficient number, since it is larger than the sum of its proper divisors (9361426).

12481892 is a wasteful number, since it uses less digits than its factorization.

12481892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120477 (or 3120475 counting only the distinct ones).

The product of its digits is 9216, while the sum is 35.

The square root of 12481892 is about 3532.9721199013. The cubic root of 12481892 is about 231.9673210016.

The spelling of 12481892 in words is "twelve million, four hundred eighty-one thousand, eight hundred ninety-two".