11320456 has 32 divisors (see below), whose sum is σ = 25044480. Its totient is φ = 4694400.

The previous prime is 11320433. The next prime is 11320457. The reversal of 11320456 is 65402311.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11320457) 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 7 ways as a sum of consecutive naturals, for example, 1525 + ... + 4996.

It is an arithmetic number, because the mean of its divisors is an integer number (782640).

Almost surely, 2^11320456 is an apocalyptic number.

It is an amenable number.

11320456 is an abundant number, since it is smaller than the sum of its proper divisors (13724024).

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

11320456 is a wasteful number, since it uses less digits than its factorization.

11320456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565 (or 6561 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 11320456 is about 3364.5885335357. The cubic root of 11320456 is about 224.5370299184.

Adding to 11320456 its reverse (65402311), we get a palindrome (76722767).

The spelling of 11320456 in words is "eleven million, three hundred twenty thousand, four hundred fifty-six".