11056397 has 8 divisors (see below), whose sum is σ = 12111552. Its totient is φ = 10009600.

The previous prime is 11056387. The next prime is 11056403. The reversal of 11056397 is 79365011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11056397 - 2¹⁸ = 10794253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11056387) 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, 872 + ... + 4782.

It is an arithmetic number, because the mean of its divisors is an integer number (1513944).

Almost surely, 2^11056397 is an apocalyptic number.

It is an amenable number.

11056397 is a deficient number, since it is larger than the sum of its proper divisors (1055155).

11056397 is a wasteful number, since it uses less digits than its factorization.

11056397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 11056397 is about 3325.1160881990. The cubic root of 11056397 is about 222.7774395446. Note that the first 3 decimals are identical.

The spelling of 11056397 in words is "eleven million, fifty-six thousand, three hundred ninety-seven".