16772013 has 12 divisors (see below), whose sum is σ = 25651548. Its totient is φ = 10523520.

The previous prime is 16771999. The next prime is 16772027. The reversal of 16772013 is 31027761.

It is an interprime number because it is at equal distance from previous prime (16771999) and next prime (16772027).

It can be written as a sum of positive squares in 2 ways, for example, as 11923209 + 4848804 = 3453^2 + 2202^2 .

It is not a de Polignac number, because 16772013 - 2⁵ = 16771981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16773013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54658 + ... + 54963.

It is an arithmetic number, because the mean of its divisors is an integer number (2137629).

Almost surely, 2^16772013 is an apocalyptic number.

It is an amenable number.

16772013 is a deficient number, since it is larger than the sum of its proper divisors (8879535).

16772013 is a wasteful number, since it uses less digits than its factorization.

16772013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109644 (or 109641 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 16772013 is about 4095.3648189142. The cubic root of 16772013 is about 255.9735334374.

Adding to 16772013 its reverse (31027761), we get a palindrome (47799774).

The spelling of 16772013 in words is "sixteen million, seven hundred seventy-two thousand, thirteen".