13311397 has 4 divisors (see below), whose sum is σ = 14521536. Its totient is φ = 12101260.

The previous prime is 13311383. The next prime is 13311409. The reversal of 13311397 is 79311331.

13311397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 13311397 - 2⁷ = 13311269 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 (13311317) 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, 605053 + ... + 605074.

It is an arithmetic number, because the mean of its divisors is an integer number (3630384).

Almost surely, 2^13311397 is an apocalyptic number.

It is an amenable number.

13311397 is a deficient number, since it is larger than the sum of its proper divisors (1210139).

13311397 is a wasteful number, since it uses less digits than its factorization.

13311397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210138.

The product of its digits is 1701, while the sum is 28.

The square root of 13311397 is about 3648.4787240712. The cubic root of 13311397 is about 236.9961069227.

The spelling of 13311397 in words is "thirteen million, three hundred eleven thousand, three hundred ninety-seven".