13866248 has 16 divisors (see below), whose sum is σ = 28362960. Its totient is φ = 6302800.

The previous prime is 13866233. The next prime is 13866283. The reversal of 13866248 is 84266831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78698 + ... + 78873.

It is an arithmetic number, because the mean of its divisors is an integer number (1772685).

Almost surely, 2^13866248 is an apocalyptic number.

It is an amenable number.

13866248 is an abundant number, since it is smaller than the sum of its proper divisors (14496712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13866248 is a wasteful number, since it uses less digits than its factorization.

13866248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157588 (or 157584 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 13866248 is about 3723.7411295631. The cubic root of 13866248 is about 240.2442420972.

It can be divided in two parts, 138662 and 48, that multiplied together give a triangular number (6655776 = T₃₆₄₈).

The spelling of 13866248 in words is "thirteen million, eight hundred sixty-six thousand, two hundred forty-eight".