12520082 has 4 divisors (see below), whose sum is σ = 18780126. Its totient is φ = 6260040.

The previous prime is 12520051. The next prime is 12520091. The reversal of 12520082 is 28002521.

12520082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28002521 = 59 ⋅474619.

It can be written as a sum of positive squares in only one way, i.e., 9174841 + 3345241 = 3029^2 + 1829^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3130019 + ... + 3130022.

Almost surely, 2^12520082 is an apocalyptic number.

12520082 is a deficient number, since it is larger than the sum of its proper divisors (6260044).

12520082 is an equidigital number, since it uses as much as digits as its factorization.

12520082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260043.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 12520082 is about 3538.3727898569. The cubic root of 12520082 is about 232.2036583665.

The spelling of 12520082 in words is "twelve million, five hundred twenty thousand, eighty-two".