13528463 has 4 divisors (see below), whose sum is σ = 14569128. Its totient is φ = 12487800.

The previous prime is 13528387. The next prime is 13528477. The reversal of 13528463 is 36482531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36482531 = 23 ⋅1586197.

It is not a de Polignac number, because 13528463 - 2¹⁶ = 13462927 is a prime.

It is a super-2 number, since 2×13528463² = 366038622284738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13528063) 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, 520313 + ... + 520338.

It is an arithmetic number, because the mean of its divisors is an integer number (3642282).

Almost surely, 2^13528463 is an apocalyptic number.

13528463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13528463 is a deficient number, since it is larger than the sum of its proper divisors (1040665).

13528463 is a wasteful number, since it uses less digits than its factorization.

13528463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040664.

The product of its digits is 17280, while the sum is 32.

The square root of 13528463 is about 3678.1058984211. The cubic root of 13528463 is about 238.2773817941.

The spelling of 13528463 in words is "thirteen million, five hundred twenty-eight thousand, four hundred sixty-three".