13870030 has 32 divisors (see below), whose sum is σ = 25683840. Its totient is φ = 5391360.

The previous prime is 13869991. The next prime is 13870039. The reversal of 13870030 is 3007831.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 13869983 and 13870010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13870039) 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, 76540 + ... + 76720.

It is an arithmetic number, because the mean of its divisors is an integer number (802620).

Almost surely, 2^13870030 is an apocalyptic number.

13870030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13870030 is a deficient number, since it is larger than the sum of its proper divisors (11813810).

13870030 is a wasteful number, since it uses less digits than its factorization.

13870030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 13870030 is about 3724.2489175671. The cubic root of 13870030 is about 240.2660822069.

Adding to 13870030 its reverse (3007831), we get a palindrome (16877861).

The spelling of 13870030 in words is "thirteen million, eight hundred seventy thousand, thirty".