13862216 has 8 divisors (see below), whose sum is σ = 25991670. Its totient is φ = 6931104.

The previous prime is 13862213. The next prime is 13862231. The reversal of 13862216 is 61226831.

It can be written as a sum of positive squares in only one way, i.e., 11930116 + 1932100 = 3454^2 + 1390^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×13862216³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13862213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 866381 + ... + 866396.

Almost surely, 2^13862216 is an apocalyptic number.

It is an amenable number.

13862216 is a deficient number, since it is larger than the sum of its proper divisors (12129454).

13862216 is a wasteful number, since it uses less digits than its factorization.

13862216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732783 (or 1732779 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 13862216 is about 3723.1996991835. The cubic root of 13862216 is about 240.2209539257.

The spelling of 13862216 in words is "thirteen million, eight hundred sixty-two thousand, two hundred sixteen".