11149047 has 24 divisors (see below), whose sum is σ = 19821984. Its totient is φ = 5880384.

The previous prime is 11149013. The next prime is 11149049. The reversal of 11149047 is 74094111.

It is not a de Polignac number, because 11149047 - 2⁶ = 11148983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11149047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11149049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5988 + ... + 7625.

It is an arithmetic number, because the mean of its divisors is an integer number (825916).

Almost surely, 2^11149047 is an apocalyptic number.

11149047 is a deficient number, since it is larger than the sum of its proper divisors (8672937).

11149047 is a wasteful number, since it uses less digits than its factorization.

11149047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13639 (or 13636 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 11149047 is about 3339.0188678712. The cubic root of 11149047 is about 223.3979835605.

The spelling of 11149047 in words is "eleven million, one hundred forty-nine thousand, forty-seven".