11172445 has 8 divisors (see below), whose sum is σ = 13425336. Its totient is φ = 8925696.

The previous prime is 11172443. The next prime is 11172463. The reversal of 11172445 is 54427111.

It can be written as a sum of positive squares in 4 ways, for example, as 3481 + 11168964 = 59^2 + 3342^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11172445 - 2¹ = 11172443 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 (11172443) 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, 5029 + ... + 6901.

It is an arithmetic number, because the mean of its divisors is an integer number (1678167).

Almost surely, 2^11172445 is an apocalyptic number.

It is an amenable number.

11172445 is a deficient number, since it is larger than the sum of its proper divisors (2252891).

11172445 is a wasteful number, since it uses less digits than its factorization.

11172445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071.

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

The square root of 11172445 is about 3342.5207553581. The cubic root of 11172445 is about 223.5541527731.

Adding to 11172445 its reverse (54427111), we get a palindrome (65599556).

It can be divided in two parts, 1117244 and 5, that added together give a square (1117249 = 1057²).

The spelling of 11172445 in words is "eleven million, one hundred seventy-two thousand, four hundred forty-five".