13870219 has 16 divisors (see below), whose sum is σ = 16026624. Its totient is φ = 11880000.

The previous prime is 13870201. The next prime is 13870231. The reversal of 13870219 is 91207831.

13870219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13870219 - 2⁹ = 13869707 is a prime.

It is a super-2 number, since 2×13870219² = 384765950215922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13870319) 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, 18094 + ... + 18844.

It is an arithmetic number, because the mean of its divisors is an integer number (1001664).

Almost surely, 2^13870219 is an apocalyptic number.

13870219 is a deficient number, since it is larger than the sum of its proper divisors (2156405).

13870219 is a wasteful number, since it uses less digits than its factorization.

13870219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 13870219 is about 3724.2742917245. The cubic root of 13870219 is about 240.2671735307.

The spelling of 13870219 in words is "thirteen million, eight hundred seventy thousand, two hundred nineteen".