11272517 has 6 divisors (see below), whose sum is σ = 11492082. Its totient is φ = 11057072.

The previous prime is 11272501. The next prime is 11272519. The reversal of 11272517 is 71527211.

It can be written as a sum of positive squares in 3 ways, for example, as 5885476 + 5387041 = 2426^2 + 2321^2 .

It is not a de Polignac number, because 11272517 - 2⁴ = 11272501 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 (11272519) 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, 803 + ... + 4815.

It is an arithmetic number, because the mean of its divisors is an integer number (1915347).

Almost surely, 2^11272517 is an apocalyptic number.

It is an amenable number.

11272517 is a deficient number, since it is larger than the sum of its proper divisors (219565).

11272517 is an frugal number, since it uses more digits than its factorization.

11272517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119 (or 4066 counting only the distinct ones).

The product of its digits is 980, while the sum is 26.

The square root of 11272517 is about 3357.4569245189. The cubic root of 11272517 is about 224.2196307245.

Adding to 11272517 its reverse (71527211), we get a palindrome (82799728).

The spelling of 11272517 in words is "eleven million, two hundred seventy-two thousand, five hundred seventeen".