12432490 has 32 divisors (see below), whose sum is σ = 25853184. Its totient is φ = 4216320.

The previous prime is 12432449. The next prime is 12432493. The reversal of 12432490 is 9423421.

It is not an unprimeable number, because it can be changed into a prime (12432493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5875 + ... + 7705.

It is an arithmetic number, because the mean of its divisors is an integer number (807912).

Almost surely, 2^12432490 is an apocalyptic number.

12432490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12432490 is an abundant number, since it is smaller than the sum of its proper divisors (13420694).

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

12432490 is a wasteful number, since it uses less digits than its factorization.

12432490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 12432490 is about 3525.9736244050. The cubic root of 12432490 is about 231.6608823726.

The spelling of 12432490 in words is "twelve million, four hundred thirty-two thousand, four hundred ninety".