11421400 has 24 divisors (see below), whose sum is σ = 26555220. Its totient is φ = 4568480.

The previous prime is 11421379. The next prime is 11421401. The reversal of 11421400 is 412411.

11421400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28354 + ... + 28753.

Almost surely, 2^11421400 is an apocalyptic number.

11421400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11421400 is an abundant number, since it is smaller than the sum of its proper divisors (15133820).

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

11421400 is a wasteful number, since it uses less digits than its factorization.

11421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57123 (or 57114 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 11421400 is about 3379.5561838798. The cubic root of 11421400 is about 225.2024515275.

Adding to 11421400 its reverse (412411), we get a palindrome (11833811).

The spelling of 11421400 in words is "eleven million, four hundred twenty-one thousand, four hundred".