12446530 has 16 divisors (see below), whose sum is σ = 22472640. Its totient is φ = 4963312.

The previous prime is 12446527. The next prime is 12446537. The reversal of 12446530 is 3564421.

It is a super-2 number, since 2×12446530² = 309832218081800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12446495 and 12446504.

It is not an unprimeable number, because it can be changed into a prime (12446537) 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, 1857 + ... + 5323.

It is an arithmetic number, because the mean of its divisors is an integer number (1404540).

Almost surely, 2^12446530 is an apocalyptic number.

12446530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12446530 is a deficient number, since it is larger than the sum of its proper divisors (10026110).

12446530 is a wasteful number, since it uses less digits than its factorization.

12446530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 12446530 is about 3527.9640020839. The cubic root of 12446530 is about 231.7480543765.

The spelling of 12446530 in words is "twelve million, four hundred forty-six thousand, five hundred thirty".