13880446 has 4 divisors (see below), whose sum is σ = 20820672. Its totient is φ = 6940222.

The previous prime is 13880417. The next prime is 13880453. The reversal of 13880446 is 64408831.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3470110 + ... + 3470113.

It is an arithmetic number, because the mean of its divisors is an integer number (5205168).

Almost surely, 2^13880446 is an apocalyptic number.

13880446 is a deficient number, since it is larger than the sum of its proper divisors (6940226).

13880446 is an equidigital number, since it uses as much as digits as its factorization.

13880446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940225.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 13880446 is about 3725.6470578948. The cubic root of 13880446 is about 240.3262115003.

The spelling of 13880446 in words is "thirteen million, eight hundred eighty thousand, four hundred forty-six".