11253865 has 16 divisors (see below), whose sum is σ = 15553152. Its totient is φ = 7657344.

The previous prime is 11253863. The next prime is 11253889. The reversal of 11253865 is 56835211.

It is a cyclic number.

It is not a de Polignac number, because 11253865 - 2¹ = 11253863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11253863) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3622 + ... + 5968.

It is an arithmetic number, because the mean of its divisors is an integer number (972072).

Almost surely, 2^11253865 is an apocalyptic number.

It is an amenable number.

11253865 is a deficient number, since it is larger than the sum of its proper divisors (4299287).

11253865 is a wasteful number, since it uses less digits than its factorization.

11253865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496.

The product of its digits is 7200, while the sum is 31.

The square root of 11253865 is about 3354.6780769546. The cubic root of 11253865 is about 224.0958945815.

The spelling of 11253865 in words is "eleven million, two hundred fifty-three thousand, eight hundred sixty-five".