13620219 has 8 divisors (see below), whose sum is σ = 18181632. Its totient is φ = 9069480.

The previous prime is 13620199. The next prime is 13620223. The reversal of 13620219 is 91202631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13620219 - 2¹⁹ = 13095931 is a prime.

It is a super-2 number, since 2×13620219² = 371020731215922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13620119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1054 + ... + 5324.

It is an arithmetic number, because the mean of its divisors is an integer number (2272704).

Almost surely, 2^13620219 is an apocalyptic number.

13620219 is a deficient number, since it is larger than the sum of its proper divisors (4561413).

13620219 is a wasteful number, since it uses less digits than its factorization.

13620219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13620219 is about 3690.5580878778. The cubic root of 13620219 is about 238.8148692093.

The spelling of 13620219 in words is "thirteen million, six hundred twenty thousand, two hundred nineteen".