13404888 has 48 divisors (see below), whose sum is σ = 41492880. Its totient is φ = 3829824.

The previous prime is 13404887. The next prime is 13404889. The reversal of 13404888 is 88840431.

It is an interprime number because it is at equal distance from previous prime (13404887) and next prime (13404889).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404887) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12795 + ... + 13802.

It is an arithmetic number, because the mean of its divisors is an integer number (864435).

Almost surely, 2^13404888 is an apocalyptic number.

13404888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13404888 is an abundant number, since it is smaller than the sum of its proper divisors (28087992).

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

13404888 is a wasteful number, since it uses less digits than its factorization.

13404888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26616 (or 26609 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 13404888 is about 3661.2686325917. The cubic root of 13404888 is about 237.5496509306.

The spelling of 13404888 in words is "thirteen million, four hundred four thousand, eight hundred eighty-eight".