11401400 has 48 divisors (see below), whose sum is σ = 26802600. Its totient is φ = 4510080.

The previous prime is 11401391. The next prime is 11401417. The reversal of 11401400 is 410411.

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, 21539 + ... + 22061.

Almost surely, 2^11401400 is an apocalyptic number.

11401400 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 11401400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13401300).

11401400 is an abundant number, since it is smaller than the sum of its proper divisors (15401200).

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

11401400 is a wasteful number, since it uses less digits than its factorization.

11401400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11401400 is about 3376.5959189693. The cubic root of 11401400 is about 225.0709241431.

Adding to 11401400 its reverse (410411), we get a palindrome (11811811).

The spelling of 11401400 in words is "eleven million, four hundred one thousand, four hundred".