11241513 has 6 divisors (see below), whose sum is σ = 16237754. Its totient is φ = 7494336.

The previous prime is 11241511. The next prime is 11241541. The reversal of 11241513 is 31514211.

11241513 is a `hidden beast` number, since 112 + 41 + 513 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7601049 + 3640464 = 2757^2 + 1908^2 .

It is not a de Polignac number, because 11241513 - 2¹ = 11241511 is a prime.

It is a super-2 number, since 2×11241513² = 252743229058338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11241511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 624520 + ... + 624537.

Almost surely, 2^11241513 is an apocalyptic number.

It is an amenable number.

11241513 is a deficient number, since it is larger than the sum of its proper divisors (4996241).

11241513 is a wasteful number, since it uses less digits than its factorization.

11241513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249063 (or 1249060 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 11241513 is about 3352.8365602874. The cubic root of 11241513 is about 224.0138769570.

Adding to 11241513 its reverse (31514211), we get a palindrome (42755724).

The spelling of 11241513 in words is "eleven million, two hundred forty-one thousand, five hundred thirteen".