11517201 has 8 divisors (see below), whose sum is σ = 17062560. Its totient is φ = 7678116.

The previous prime is 11517199. The next prime is 11517203. The reversal of 11517201 is 10271511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11517199) and next prime (11517203).

It is not a de Polignac number, because 11517201 - 2¹ = 11517199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11517203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213255 + ... + 213308.

It is an arithmetic number, because the mean of its divisors is an integer number (2132820).

Almost surely, 2^11517201 is an apocalyptic number.

It is an amenable number.

11517201 is a deficient number, since it is larger than the sum of its proper divisors (5545359).

11517201 is an equidigital number, since it uses as much as digits as its factorization.

11517201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426572 (or 426566 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 11517201 is about 3393.7001930047. The cubic root of 11517201 is about 225.8303540620.

Adding to 11517201 its reverse (10271511), we get a palindrome (21788712).

The spelling of 11517201 in words is "eleven million, five hundred seventeen thousand, two hundred one".