13195391 has 8 divisors (see below), whose sum is σ = 14701824. Its totient is φ = 11740120.

The previous prime is 13195381. The next prime is 13195393. The reversal of 13195391 is 19359131.

It is a happy number.

13195391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13195391 - 2⁶ = 13195327 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 (13195393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12245 + ... + 13278.

It is an arithmetic number, because the mean of its divisors is an integer number (1837728).

Almost surely, 2^13195391 is an apocalyptic number.

13195391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13195391 is a deficient number, since it is larger than the sum of its proper divisors (1506433).

13195391 is a wasteful number, since it uses less digits than its factorization.

13195391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25581.

The product of its digits is 3645, while the sum is 32.

The square root of 13195391 is about 3632.5460767897. The cubic root of 13195391 is about 236.3056403387.

The spelling of 13195391 in words is "thirteen million, one hundred ninety-five thousand, three hundred ninety-one".