13403880 has 192 divisors, whose sum is σ = 51891840. Its totient is φ = 3048192.

The previous prime is 13403869. The next prime is 13403893. The reversal of 13403880 is 8830431.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 47 ways as a sum of consecutive naturals, for example, 67942 + ... + 68138.

It is an arithmetic number, because the mean of its divisors is an integer number (270270).

Almost surely, 2^13403880 is an apocalyptic number.

13403880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13403880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25945920).

13403880 is an abundant number, since it is smaller than the sum of its proper divisors (38487960).

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

13403880 is a wasteful number, since it uses less digits than its factorization.

13403880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 13403880 is about 3661.1309728006. The cubic root of 13403880 is about 237.5436964845.

The spelling of 13403880 in words is "thirteen million, four hundred three thousand, eight hundred eighty".