13880344 has 8 divisors (see below), whose sum is σ = 26025660. Its totient is φ = 6940168.

The previous prime is 13880327. The next prime is 13880371. The reversal of 13880344 is 44308831.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 867514 + ... + 867529.

Almost surely, 2^13880344 is an apocalyptic number.

It is an amenable number.

13880344 is a deficient number, since it is larger than the sum of its proper divisors (12145316).

13880344 is a wasteful number, since it uses less digits than its factorization.

13880344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735049 (or 1735045 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 13880344 is about 3725.6333689723. The cubic root of 13880344 is about 240.3256228224.

The spelling of 13880344 in words is "thirteen million, eight hundred eighty thousand, three hundred forty-four".