13200131 has 4 divisors (see below), whose sum is σ = 15085872. Its totient is φ = 11314392.

The previous prime is 13200119. The next prime is 13200169. The reversal of 13200131 is 13100231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13200131 - 2¹⁸ = 12937987 is a prime.

It is a super-2 number, since 2×13200131² = 348486916834322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13200101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942860 + ... + 942873.

It is an arithmetic number, because the mean of its divisors is an integer number (3771468).

Almost surely, 2^13200131 is an apocalyptic number.

13200131 is a deficient number, since it is larger than the sum of its proper divisors (1885741).

13200131 is an equidigital number, since it uses as much as digits as its factorization.

13200131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885740.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13200131 is about 3633.1984531539. The cubic root of 13200131 is about 236.3339319001. Note that the first 3 decimals are identical.

Adding to 13200131 its reverse (13100231), we get a palindrome (26300362).

It can be divided in two parts, 13200 and 131, that added together give a palindrome (13331).

The spelling of 13200131 in words is "thirteen million, two hundred thousand, one hundred thirty-one".