11251317 has 32 divisors (see below), whose sum is σ = 19077120. Its totient is φ = 5728320.

The previous prime is 11251313. The next prime is 11251327. The reversal of 11251317 is 71315211.

It is a happy number.

It is not a de Polignac number, because 11251317 - 2² = 11251313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11251293 and 11251302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11784 + ... + 12702.

It is an arithmetic number, because the mean of its divisors is an integer number (596160).

Almost surely, 2^11251317 is an apocalyptic number.

It is an amenable number.

11251317 is a deficient number, since it is larger than the sum of its proper divisors (7825803).

11251317 is a wasteful number, since it uses less digits than its factorization.

11251317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its digits is 210, while the sum is 21.

The square root of 11251317 is about 3354.2982872726. The cubic root of 11251317 is about 224.0789807053.

Adding to 11251317 its reverse (71315211), we get a palindrome (82566528).

It can be divided in two parts, 1125 and 1317, that added together give a palindrome (2442).

The spelling of 11251317 in words is "eleven million, two hundred fifty-one thousand, three hundred seventeen".