13453400 has 48 divisors (see below), whose sum is σ = 31571640. Its totient is φ = 5331200.

The previous prime is 13453397. The next prime is 13453457. The reversal of 13453400 is 435431.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27155 + ... + 27645.

Almost surely, 2^13453400 is an apocalyptic number.

13453400 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 13453400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15785820).

13453400 is an abundant number, since it is smaller than the sum of its proper divisors (18118240).

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

13453400 is a wasteful number, since it uses less digits than its factorization.

13453400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13453400 is about 3667.8876754884. The cubic root of 13453400 is about 237.8358682874.

Adding to 13453400 its reverse (435431), we get a palindrome (13888831).

The spelling of 13453400 in words is "thirteen million, four hundred fifty-three thousand, four hundred".