13409100 has 108 divisors (see below), whose sum is σ = 43059744. Its totient is φ = 3488640.

The previous prime is 13409089. The next prime is 13409101. The reversal of 13409100 is 190431.

13409100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13409101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42142 + ... + 42458.

Almost surely, 2^13409100 is an apocalyptic number.

13409100 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 13409100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21529872).

13409100 is an abundant number, since it is smaller than the sum of its proper divisors (29650644).

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

13409100 is a wasteful number, since it uses less digits than its factorization.

13409100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 13409100 is about 3661.8437978701. The cubic root of 13409100 is about 237.5745287799.

Adding to 13409100 its reverse (190431), we get a palindrome (13599531).

It can be divided in two parts, 1340 and 9100, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 13409100 in words is "thirteen million, four hundred nine thousand, one hundred".