12520497 has 16 divisors (see below), whose sum is σ = 18800640. Its totient is φ = 7342800.

The previous prime is 12520481. The next prime is 12520499. The reversal of 12520497 is 79402521.

12520497 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 12520497 - 2⁴ = 12520481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12520499) 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, 5097 + ... + 7142.

It is an arithmetic number, because the mean of its divisors is an integer number (1175040).

Almost surely, 2^12520497 is an apocalyptic number.

It is an amenable number.

12520497 is a deficient number, since it is larger than the sum of its proper divisors (6280143).

12520497 is a wasteful number, since it uses less digits than its factorization.

12520497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12284.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 12520497 is about 3538.4314321462. The cubic root of 12520497 is about 232.2062239368.

The spelling of 12520497 in words is "twelve million, five hundred twenty thousand, four hundred ninety-seven".