11401456 has 20 divisors (see below), whose sum is σ = 24098904. Its totient is φ = 5182400.

The previous prime is 11401451. The next prime is 11401471. The reversal of 11401456 is 65410411.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32215 + ... + 32566.

Almost surely, 2^11401456 is an apocalyptic number.

11401456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11401456 is an abundant number, since it is smaller than the sum of its proper divisors (12697448).

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

11401456 is a wasteful number, since it uses less digits than its factorization.

11401456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64800 (or 64794 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 11401456 is about 3376.6042113342. The cubic root of 11401456 is about 225.0712926344.

Adding to 11401456 its reverse (65410411), we get a palindrome (76811867).

The spelling of 11401456 in words is "eleven million, four hundred one thousand, four hundred fifty-six".