11247541 has 4 divisors (see below), whose sum is σ = 11258892. Its totient is φ = 11236192.

The previous prime is 11247539. The next prime is 11247547. The reversal of 11247541 is 14574211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2187441 + 9060100 = 1479^2 + 3010^2 .

It is a cyclic number.

It is not a de Polignac number, because 11247541 - 2¹ = 11247539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11247547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4030 + ... + 6223.

It is an arithmetic number, because the mean of its divisors is an integer number (2814723).

Almost surely, 2^11247541 is an apocalyptic number.

It is an amenable number.

11247541 is a deficient number, since it is larger than the sum of its proper divisors (11351).

11247541 is a wasteful number, since it uses less digits than its factorization.

11247541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11350.

The product of its digits is 1120, while the sum is 25.

The square root of 11247541 is about 3353.7353801396. The cubic root of 11247541 is about 224.0539105467.

The spelling of 11247541 in words is "eleven million, two hundred forty-seven thousand, five hundred forty-one".