12505496 has 32 divisors (see below), whose sum is σ = 25542000. Its totient is φ = 5717376.

The previous prime is 12505481. The next prime is 12505499. The reversal of 12505496 is 69450521.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12505499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2990 + ... + 5826.

Almost surely, 2^12505496 is an apocalyptic number.

It is an amenable number.

12505496 is an abundant number, since it is smaller than the sum of its proper divisors (13036504).

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

12505496 is a wasteful number, since it uses less digits than its factorization.

12505496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891 (or 2887 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 12505496 is about 3536.3110722899. The cubic root of 12505496 is about 232.1134502598.

The spelling of 12505496 in words is "twelve million, five hundred five thousand, four hundred ninety-six".