11471400 has 72 divisors (see below), whose sum is σ = 38530830. Its totient is φ = 3058560.

The previous prime is 11471393. The next prime is 11471417. The reversal of 11471400 is 417411.

It can be written as a sum of positive squares in 3 ways, for example, as 10074276 + 1397124 = 3174^2 + 1182^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1387 + ... + 4986.

Almost surely, 2^11471400 is an apocalyptic number.

11471400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11471400 is an abundant number, since it is smaller than the sum of its proper divisors (27059430).

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

11471400 is a wasteful number, since it uses less digits than its factorization.

11471400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395 (or 6383 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 11471400 is about 3386.9455265770. The cubic root of 11471400 is about 225.5305995974.

Adding to 11471400 its reverse (417411), we get a palindrome (11888811).

The spelling of 11471400 in words is "eleven million, four hundred seventy-one thousand, four hundred".