13866236 has 6 divisors (see below), whose sum is σ = 24265920. Its totient is φ = 6933116.

The previous prime is 13866233. The next prime is 13866283. The reversal of 13866236 is 63266831.

It is a junction number, because it is equal to n+sod(n) for n = 13866196 and 13866205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13866233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1733276 + ... + 1733283.

It is an arithmetic number, because the mean of its divisors is an integer number (4044320).

Almost surely, 2^13866236 is an apocalyptic number.

It is an amenable number.

13866236 is a deficient number, since it is larger than the sum of its proper divisors (10399684).

13866236 is a wasteful number, since it uses less digits than its factorization.

13866236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466563 (or 3466561 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 13866236 is about 3723.7395182800. The cubic root of 13866236 is about 240.2441727939.

The spelling of 13866236 in words is "thirteen million, eight hundred sixty-six thousand, two hundred thirty-six".