13530858 has 32 divisors (see below), whose sum is σ = 29652480. Its totient is φ = 4082160.

The previous prime is 13530857. The next prime is 13530871. The reversal of 13530858 is 85803531.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13530857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28741 + ... + 29207.

It is an arithmetic number, because the mean of its divisors is an integer number (926640).

Almost surely, 2^13530858 is an apocalyptic number.

13530858 is an abundant number, since it is smaller than the sum of its proper divisors (16121622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13530858 is a wasteful number, since it uses less digits than its factorization.

13530858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 13530858 is about 3678.4314591956. The cubic root of 13530858 is about 238.2914420426.

The spelling of 13530858 in words is "thirteen million, five hundred thirty thousand, eight hundred fifty-eight".