11457287 has 2 divisors, whose sum is σ = 11457288. Its totient is φ = 11457286.

The previous prime is 11457283. The next prime is 11457293. The reversal of 11457287 is 78275411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11457287 - 2² = 11457283 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11457283) 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 as a sum of consecutive naturals, namely, 5728643 + 5728644.

It is an arithmetic number, because the mean of its divisors is an integer number (5728644).

Almost surely, 2^11457287 is an apocalyptic number.

11457287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11457287 is an equidigital number, since it uses as much as digits as its factorization.

11457287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15680, while the sum is 35.

The square root of 11457287 is about 3384.8614447271. The cubic root of 11457287 is about 225.4380732701.

The spelling of 11457287 in words is "eleven million, four hundred fifty-seven thousand, two hundred eighty-seven".