11297256 has 16 divisors (see below), whose sum is σ = 28243200. Its totient is φ = 3765744.

The previous prime is 11297239. The next prime is 11297281. The reversal of 11297256 is 65279211.

It is a super-3 number, since 3×11297256³ (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 235336 + ... + 235383.

It is an arithmetic number, because the mean of its divisors is an integer number (1765200).

Almost surely, 2^11297256 is an apocalyptic number.

It is an amenable number.

11297256 is an abundant number, since it is smaller than the sum of its proper divisors (16945944).

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

11297256 is a wasteful number, since it uses less digits than its factorization.

11297256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470728 (or 470724 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 11297256 is about 3361.1390926292. The cubic root of 11297256 is about 224.3835372279.

It can be divided in two parts, 1129 and 7256, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 11297256 in words is "eleven million, two hundred ninety-seven thousand, two hundred fifty-six".