1328527 has 4 divisors (see below), whose sum is σ = 1346800. Its totient is φ = 1310256.

The previous prime is 1328521. The next prime is 1328531. The reversal of 1328527 is 7258231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7258231 = 277 ⋅26203.

It is a cyclic number.

It is not a de Polignac number, because 1328527 - 2¹⁹ = 804239 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1328495 and 1328504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328521) 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, 9027 + ... + 9172.

It is an arithmetic number, because the mean of its divisors is an integer number (336700).

2^1328527 is an apocalyptic number.

1328527 is a deficient number, since it is larger than the sum of its proper divisors (18273).

1328527 is an equidigital number, since it uses as much as digits as its factorization.

1328527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18272.

The product of its digits is 3360, while the sum is 28.

The square root of 1328527 is about 1152.6174560538. The cubic root of 1328527 is about 109.9318310414.

The spelling of 1328527 in words is "one million, three hundred twenty-eight thousand, five hundred twenty-seven".