12447492 has 24 divisors (see below), whose sum is σ = 29981952. Its totient is φ = 4015200.

The previous prime is 12447469. The next prime is 12447499. The reversal of 12447492 is 29474421.

It is not an unprimeable number, because it can be changed into a prime (12447499) 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, 16359 + ... + 17102.

It is an arithmetic number, because the mean of its divisors is an integer number (1249248).

Almost surely, 2^12447492 is an apocalyptic number.

12447492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12447492 is an abundant number, since it is smaller than the sum of its proper divisors (17534460).

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

12447492 is a wasteful number, since it uses less digits than its factorization.

12447492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33499 (or 33497 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 12447492 is about 3528.1003387092. The cubic root of 12447492 is about 231.7540248728.

The spelling of 12447492 in words is "twelve million, four hundred forty-seven thousand, four hundred ninety-two".