13880330 has 16 divisors (see below), whose sum is σ = 26454600. Its totient is φ = 5225472.

The previous prime is 13880327. The next prime is 13880371. The reversal of 13880330 is 3308831.

It can be written as a sum of positive squares in 4 ways, for example, as 13667809 + 212521 = 3697^2 + 461^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13880330.

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 in 7 ways as a sum of consecutive naturals, for example, 40655 + ... + 40994.

Almost surely, 2^13880330 is an apocalyptic number.

13880330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13880330 is a deficient number, since it is larger than the sum of its proper divisors (12574270).

13880330 is a wasteful number, since it uses less digits than its factorization.

13880330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81673.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 13880330 is about 3725.6314900967. The cubic root of 13880330 is about 240.3255420233.

The spelling of 13880330 in words is "thirteen million, eight hundred eighty thousand, three hundred thirty".