11256897 has 4 divisors (see below), whose sum is σ = 15009200. Its totient is φ = 7504596.

The previous prime is 11256887. The next prime is 11256977. The reversal of 11256897 is 79865211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11256897 - 2¹⁰ = 11255873 is a prime.

It is a super-3 number, since 3×11256897³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11256827) 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, 1876147 + ... + 1876152.

It is an arithmetic number, because the mean of its divisors is an integer number (3752300).

Almost surely, 2^11256897 is an apocalyptic number.

It is an amenable number.

11256897 is a deficient number, since it is larger than the sum of its proper divisors (3752303).

11256897 is an equidigital number, since it uses as much as digits as its factorization.

11256897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752302.

The product of its digits is 30240, while the sum is 39.

The square root of 11256897 is about 3355.1299527738. The cubic root of 11256897 is about 224.1160179714.

The spelling of 11256897 in words is "eleven million, two hundred fifty-six thousand, eight hundred ninety-seven".