13520834 has 8 divisors (see below), whose sum is σ = 20753040. Its totient is φ = 6603156.

The previous prime is 13520827. The next prime is 13520839. The reversal of 13520834 is 43802531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×13520834³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13520839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78524 + ... + 78695.

It is an arithmetic number, because the mean of its divisors is an integer number (2594130).

Almost surely, 2^13520834 is an apocalyptic number.

13520834 is a deficient number, since it is larger than the sum of its proper divisors (7232206).

13520834 is a wasteful number, since it uses less digits than its factorization.

13520834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157264.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 13520834 is about 3677.0686694703. The cubic root of 13520834 is about 238.2325834072.

The spelling of 13520834 in words is "thirteen million, five hundred twenty thousand, eight hundred thirty-four".