13159812 has 24 divisors (see below), whose sum is σ = 31360896. Its totient is φ = 4293088.

The previous prime is 13159793. The next prime is 13159831. The reversal of 13159812 is 21895131.

It is an interprime number because it is at equal distance from previous prime (13159793) and next prime (13159831).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13159812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11103 + ... + 12230.

It is an arithmetic number, because the mean of its divisors is an integer number (1306704).

Almost surely, 2^13159812 is an apocalyptic number.

13159812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13159812 is an abundant number, since it is smaller than the sum of its proper divisors (18201084).

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

13159812 is a wasteful number, since it uses less digits than its factorization.

13159812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23387 (or 23385 counting only the distinct ones).

The product of its digits is 2160, while the sum is 30.

The square root of 13159812 is about 3627.6455174121. The cubic root of 13159812 is about 236.0930639380.

The spelling of 13159812 in words is "thirteen million, one hundred fifty-nine thousand, eight hundred twelve".