13128524 has 12 divisors (see below), whose sum is σ = 23408784. Its totient is φ = 6440304.

The previous prime is 13128517. The next prime is 13128529. The reversal of 13128524 is 42582131.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 13128493 and 13128502.

It is not an unprimeable number, because it can be changed into a prime (13128529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30752 + ... + 31175.

It is an arithmetic number, because the mean of its divisors is an integer number (1950732).

Almost surely, 2^13128524 is an apocalyptic number.

It is an amenable number.

13128524 is a deficient number, since it is larger than the sum of its proper divisors (10280260).

13128524 is a wasteful number, since it uses less digits than its factorization.

13128524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61984 (or 61982 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 13128524 is about 3623.3305121118. The cubic root of 13128524 is about 235.9058084328.

The spelling of 13128524 in words is "thirteen million, one hundred twenty-eight thousand, five hundred twenty-four".