11487049 has 4 divisors (see below), whose sum is σ = 13128064. Its totient is φ = 9846036.

The previous prime is 11487043. The next prime is 11487067. The reversal of 11487049 is 94078411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94078411 = 7 ⋅13439773.

It is a cyclic number.

It is not a de Polignac number, because 11487049 - 2³ = 11487041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11487041) 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 3 ways as a sum of consecutive naturals, for example, 820497 + ... + 820510.

It is an arithmetic number, because the mean of its divisors is an integer number (3282016).

Almost surely, 2^11487049 is an apocalyptic number.

It is an amenable number.

11487049 is a deficient number, since it is larger than the sum of its proper divisors (1641015).

11487049 is an equidigital number, since it uses as much as digits as its factorization.

11487049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641014.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 11487049 is about 3389.2549328724. The cubic root of 11487049 is about 225.6331074196.

The spelling of 11487049 in words is "eleven million, four hundred eighty-seven thousand, forty-nine".