11257238 has 8 divisors (see below), whose sum is σ = 17060232. Its totient is φ = 5570496.

The previous prime is 11257229. The next prime is 11257241. The reversal of 11257238 is 83275211.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11257238.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28820 + ... + 29207.

It is an arithmetic number, because the mean of its divisors is an integer number (2132529).

Almost surely, 2^11257238 is an apocalyptic number.

11257238 is a deficient number, since it is larger than the sum of its proper divisors (5802994).

11257238 is an equidigital number, since it uses as much as digits as its factorization.

11257238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58126.

The product of its digits is 3360, while the sum is 29.

The square root of 11257238 is about 3355.1807700927. The cubic root of 11257238 is about 224.1182809630.

The spelling of 11257238 in words is "eleven million, two hundred fifty-seven thousand, two hundred thirty-eight".