12520473 has 16 divisors (see below), whose sum is σ = 19322880. Its totient is φ = 7063056.

The previous prime is 12520463. The next prime is 12520477. The reversal of 12520473 is 37402521.

12520473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12520473 - 2⁸ = 12520217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12520477) 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, 2115 + ... + 5432.

It is an arithmetic number, because the mean of its divisors is an integer number (1207680).

Almost surely, 2^12520473 is an apocalyptic number.

It is an amenable number.

12520473 is a deficient number, since it is larger than the sum of its proper divisors (6802407).

12520473 is an equidigital number, since it uses as much as digits as its factorization.

12520473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7636.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 12520473 is about 3538.4280408113. The cubic root of 12520473 is about 232.2060755680.

Adding to 12520473 its reverse (37402521), we get a palindrome (49922994).

The spelling of 12520473 in words is "twelve million, five hundred twenty thousand, four hundred seventy-three".