13200157 has 4 divisors (see below), whose sum is σ = 13556956. Its totient is φ = 12843360.

The previous prime is 13200119. The next prime is 13200169. The reversal of 13200157 is 75100231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75100231 = 43 ⋅1746517.

It can be written as a sum of positive squares in 2 ways, for example, as 5659641 + 7540516 = 2379^2 + 2746^2 .

It is a cyclic number.

It is not a de Polignac number, because 13200157 - 2¹¹ = 13198109 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 (13200557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178344 + ... + 178417.

It is an arithmetic number, because the mean of its divisors is an integer number (3389239).

Almost surely, 2^13200157 is an apocalyptic number.

It is an amenable number.

13200157 is a deficient number, since it is larger than the sum of its proper divisors (356799).

13200157 is an equidigital number, since it uses as much as digits as its factorization.

13200157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356798.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 13200157 is about 3633.2020312666. The cubic root of 13200157 is about 236.3340870672.

Adding to 13200157 its reverse (75100231), we get a palindrome (88300388).

The spelling of 13200157 in words is "thirteen million, two hundred thousand, one hundred fifty-seven".