12485642 has 16 divisors (see below), whose sum is σ = 21047040. Its totient is φ = 5511792.

The previous prime is 12485617. The next prime is 12485647. The reversal of 12485642 is 24658421.

It is a junction number, because it is equal to n+sod(n) for n = 12485599 and 12485608.

It is not an unprimeable number, because it can be changed into a prime (12485647) 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, 9842 + ... + 11037.

It is an arithmetic number, because the mean of its divisors is an integer number (1315440).

Almost surely, 2^12485642 is an apocalyptic number.

12485642 is a deficient number, since it is larger than the sum of its proper divisors (8561398).

12485642 is a wasteful number, since it uses less digits than its factorization.

12485642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20917.

The product of its digits is 15360, while the sum is 32.

The square root of 12485642 is about 3533.5027946784. The cubic root of 12485642 is about 231.9905490601.

The spelling of 12485642 in words is "twelve million, four hundred eighty-five thousand, six hundred forty-two".