11312506 has 4 divisors (see below), whose sum is σ = 16968762. Its totient is φ = 5656252.

The previous prime is 11312503. The next prime is 11312513. The reversal of 11312506 is 60521311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60521311 = 347 ⋅174413.

It can be written as a sum of positive squares in only one way, i.e., 5832225 + 5480281 = 2415^2 + 2341^2 .

It is not an unprimeable number, because it can be changed into a prime (11312503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828125 + ... + 2828128.

Almost surely, 2^11312506 is an apocalyptic number.

11312506 is a deficient number, since it is larger than the sum of its proper divisors (5656256).

11312506 is an equidigital number, since it uses as much as digits as its factorization.

11312506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5656255.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 11312506 is about 3363.4069037213. The cubic root of 11312506 is about 224.4844558461.

Adding to 11312506 its reverse (60521311), we get a palindrome (71833817).

The spelling of 11312506 in words is "eleven million, three hundred twelve thousand, five hundred six".