13111297 has 4 divisors (see below), whose sum is σ = 13307056. Its totient is φ = 12915540.

The previous prime is 13111291. The next prime is 13111303. The reversal of 13111297 is 79211131.

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.

It is an interprime number because it is at equal distance from previous prime (13111291) and next prime (13111303).

It is a cyclic number.

It is not a de Polignac number, because 13111297 - 2³ = 13111289 is a prime.

It is a super-2 number, since 2×13111297² = 343812218044418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13111291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97779 + ... + 97912.

It is an arithmetic number, because the mean of its divisors is an integer number (3326764).

It is a Proth number, since it is equal to 3201 ⋅ 2¹² + 1 and 3201 < 2¹².

Almost surely, 2^13111297 is an apocalyptic number.

It is an amenable number.

13111297 is a deficient number, since it is larger than the sum of its proper divisors (195759).

13111297 is an equidigital number, since it uses as much as digits as its factorization.

13111297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195758.

The product of its digits is 378, while the sum is 25.

The square root of 13111297 is about 3620.9524989980. The cubic root of 13111297 is about 235.8025795600.

The spelling of 13111297 in words is "thirteen million, one hundred eleven thousand, two hundred ninety-seven".