13479870 has 32 divisors (see below), whose sum is σ = 32448672. Its totient is φ = 3583872.

The previous prime is 13479821. The next prime is 13479871. The reversal of 13479870 is 7897431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13479871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18024 + ... + 18756.

It is an arithmetic number, because the mean of its divisors is an integer number (1014021).

Almost surely, 2^13479870 is an apocalyptic number.

13479870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13479870 is an abundant number, since it is smaller than the sum of its proper divisors (18968802).

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

13479870 is a wasteful number, since it uses less digits than its factorization.

13479870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 13479870 is about 3671.4942462164. The cubic root of 13479870 is about 237.9917493550.

The spelling of 13479870 in words is "thirteen million, four hundred seventy-nine thousand, eight hundred seventy".