16612313 has 4 divisors (see below), whose sum is σ = 16884708. Its totient is φ = 16339920.

The previous prime is 16612261. The next prime is 16612333. The reversal of 16612313 is 31321661.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31321661 = 7 ⋅4474523.

It can be written as a sum of positive squares in 2 ways, for example, as 994009 + 15618304 = 997^2 + 3952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16612313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16612333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136106 + ... + 136227.

It is an arithmetic number, because the mean of its divisors is an integer number (4221177).

Almost surely, 2^16612313 is an apocalyptic number.

It is an amenable number.

16612313 is a deficient number, since it is larger than the sum of its proper divisors (272395).

16612313 is an equidigital number, since it uses as much as digits as its factorization.

16612313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272394.

The product of its digits is 648, while the sum is 23.

The square root of 16612313 is about 4075.8205308870. The cubic root of 16612313 is about 255.1584968769.

Adding to 16612313 its reverse (31321661), we get a palindrome (47933974).

The spelling of 16612313 in words is "sixteen million, six hundred twelve thousand, three hundred thirteen".