11257743 has 16 divisors (see below), whose sum is σ = 17709056. Its totient is φ = 6225120.

The previous prime is 11257717. The next prime is 11257751. The reversal of 11257743 is 34775211.

It is not a de Polignac number, because 11257743 - 2⁵ = 11257711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11257743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11257793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7996 + ... + 9297.

It is an arithmetic number, because the mean of its divisors is an integer number (1106816).

Almost surely, 2^11257743 is an apocalyptic number.

11257743 is a deficient number, since it is larger than the sum of its proper divisors (6451313).

11257743 is a wasteful number, since it uses less digits than its factorization.

11257743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17334.

The product of its digits is 5880, while the sum is 30.

The square root of 11257743 is about 3355.2560259986. The cubic root of 11257743 is about 224.1216322303.

The spelling of 11257743 in words is "eleven million, two hundred fifty-seven thousand, seven hundred forty-three".