13528677 has 4 divisors (see below), whose sum is σ = 18038240. Its totient is φ = 9019116.

The previous prime is 13528673. The next prime is 13528681. The reversal of 13528677 is 77682531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (13528673) and next prime (13528681).

It is not a de Polignac number, because 13528677 - 2² = 13528673 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13528673) 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, 2254777 + ... + 2254782.

It is an arithmetic number, because the mean of its divisors is an integer number (4509560).

Almost surely, 2^13528677 is an apocalyptic number.

It is an amenable number.

13528677 is a deficient number, since it is larger than the sum of its proper divisors (4509563).

13528677 is an equidigital number, since it uses as much as digits as its factorization.

13528677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509562.

The product of its digits is 70560, while the sum is 39.

The square root of 13528677 is about 3678.1349893662. The cubic root of 13528677 is about 238.2786381844.

The spelling of 13528677 in words is "thirteen million, five hundred twenty-eight thousand, six hundred seventy-seven".