13344157 has 2 divisors, whose sum is σ = 13344158. Its totient is φ = 13344156.

The previous prime is 13344131. The next prime is 13344169. The reversal of 13344157 is 75144331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9603801 + 3740356 = 3099^2 + 1934^2 .

It is a cyclic number.

It is not a de Polignac number, because 13344157 - 2⁷ = 13344029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13342157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6672078 + 6672079.

It is an arithmetic number, because the mean of its divisors is an integer number (6672079).

Almost surely, 2^13344157 is an apocalyptic number.

It is an amenable number.

13344157 is a deficient number, since it is larger than the sum of its proper divisors (1).

13344157 is an equidigital number, since it uses as much as digits as its factorization.

13344157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 13344157 is about 3652.9655076390. The cubic root of 13344157 is about 237.1903673240.

Adding to 13344157 its reverse (75144331), we get a palindrome (88488488).

The spelling of 13344157 in words is "thirteen million, three hundred forty-four thousand, one hundred fifty-seven".