16236013 has 4 divisors (see below), whose sum is σ = 17090560. Its totient is φ = 15381468.

The previous prime is 16235977. The next prime is 16236019. The reversal of 16236013 is 31063261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31063261 = 971 ⋅31991.

It is a cyclic number.

It is not a de Polignac number, because 16236013 - 2¹³ = 16227821 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 (16236019) 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 3 ways as a sum of consecutive naturals, for example, 427245 + ... + 427282.

It is an arithmetic number, because the mean of its divisors is an integer number (4272640).

Almost surely, 2^16236013 is an apocalyptic number.

It is an amenable number.

16236013 is a deficient number, since it is larger than the sum of its proper divisors (854547).

16236013 is an equidigital number, since it uses as much as digits as its factorization.

16236013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854546.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 16236013 is about 4029.3936268377. The cubic root of 16236013 is about 253.2171579890.

Adding to 16236013 its reverse (31063261), we get a palindrome (47299274).

The spelling of 16236013 in words is "sixteen million, two hundred thirty-six thousand, thirteen".