13866948 has 18 divisors (see below), whose sum is σ = 35052654. Its totient is φ = 4622304.

The previous prime is 13866929. The next prime is 13866967. The reversal of 13866948 is 84966831.

It is an interprime number because it is at equal distance from previous prime (13866929) and next prime (13866967).

It can be written as a sum of positive squares in only one way, i.e., 8020224 + 5846724 = 2832^2 + 2418^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192561 + ... + 192632.

Almost surely, 2^13866948 is an apocalyptic number.

13866948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13866948 is an abundant number, since it is smaller than the sum of its proper divisors (21185706).

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

13866948 is a wasteful number, since it uses less digits than its factorization.

13866948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385203 (or 385198 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 13866948 is about 3723.8351198731. The cubic root of 13866948 is about 240.2482847227.

The spelling of 13866948 in words is "thirteen million, eight hundred sixty-six thousand, nine hundred forty-eight".