11478401 has 16 divisors (see below), whose sum is σ = 13257216. Its totient is φ = 9840000.

The previous prime is 11478371. The next prime is 11478407. The reversal of 11478401 is 10487411.

It is a de Polignac number, because none of the positive numbers 2^k-11478401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11478407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13571 + ... + 14391.

It is an arithmetic number, because the mean of its divisors is an integer number (828576).

Almost surely, 2^11478401 is an apocalyptic number.

11478401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11478401 is a deficient number, since it is larger than the sum of its proper divisors (1778815).

11478401 is a wasteful number, since it uses less digits than its factorization.

11478401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 11478401 is about 3387.9788960382. The cubic root of 11478401 is about 225.5764707386.

The spelling of 11478401 in words is "eleven million, four hundred seventy-eight thousand, four hundred one".