11457649 has 8 divisors (see below), whose sum is σ = 13125248. Its totient is φ = 9797760.

The previous prime is 11457637. The next prime is 11457659. The reversal of 11457649 is 94675411.

11457649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-11457649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11457629) 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 7 ways as a sum of consecutive naturals, for example, 1729 + ... + 5089.

It is an arithmetic number, because the mean of its divisors is an integer number (1640656).

Almost surely, 2^11457649 is an apocalyptic number.

It is an amenable number.

11457649 is a deficient number, since it is larger than the sum of its proper divisors (1667599).

11457649 is an equidigital number, since it uses as much as digits as its factorization.

11457649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855.

The product of its digits is 30240, while the sum is 37.

The square root of 11457649 is about 3384.9149176900. The cubic root of 11457649 is about 225.4404475298.

The spelling of 11457649 in words is "eleven million, four hundred fifty-seven thousand, six hundred forty-nine".