13403400 has 96 divisors (see below), whose sum is σ = 42184800. Its totient is φ = 3520000.

The previous prime is 13403399. The next prime is 13403431. The reversal of 13403400 is 430431.

It is a super-2 number, since 2×13403400² = 359302263120000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13403400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53275 + ... + 53525.

It is an arithmetic number, because the mean of its divisors is an integer number (439425).

Almost surely, 2^13403400 is an apocalyptic number.

13403400 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 13403400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21092400).

13403400 is an abundant number, since it is smaller than the sum of its proper divisors (28781400).

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

13403400 is a wasteful number, since it uses less digits than its factorization.

13403400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13403400 is about 3661.0654186999. The cubic root of 13403400 is about 237.5408609290.

Adding to 13403400 its reverse (430431), we get a palindrome (13833831).

The spelling of 13403400 in words is "thirteen million, four hundred three thousand, four hundred".