13870100 has 36 divisors (see below), whose sum is σ = 30677724. Its totient is φ = 5441280.

The previous prime is 13870099. The next prime is 13870111. The reversal of 13870100 is 107831.

It can be written as a sum of positive squares in 6 ways, for example, as 1110916 + 12759184 = 1054^2 + 3572^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3992 + ... + 6608.

It is an arithmetic number, because the mean of its divisors is an integer number (852159).

Almost surely, 2^13870100 is an apocalyptic number.

13870100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13870100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15338862).

13870100 is an abundant number, since it is smaller than the sum of its proper divisors (16807624).

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

13870100 is a wasteful number, since it uses less digits than its factorization.

13870100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684 (or 2677 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 13870100 is about 3724.2583154234. The cubic root of 13870100 is about 240.2664864020.

Adding to 13870100 its reverse (107831), we get a palindrome (13977931).

The spelling of 13870100 in words is "thirteen million, eight hundred seventy thousand, one hundred".