13401191 has 2 divisors, whose sum is σ = 13401192. Its totient is φ = 13401190.

The previous prime is 13401181. The next prime is 13401211. The reversal of 13401191 is 19110431.

It is an a-pointer prime, because the next prime (13401211) can be obtained adding 13401191 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13401191 - 2¹⁴ = 13384807 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13401131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6700595 + 6700596.

It is an arithmetic number, because the mean of its divisors is an integer number (6700596).

Almost surely, 2^13401191 is an apocalyptic number.

13401191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13401191 is an equidigital number, since it uses as much as digits as its factorization.

13401191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 13401191 is about 3660.7637181331. The cubic root of 13401191 is about 237.5278105937.

The spelling of 13401191 in words is "thirteen million, four hundred one thousand, one hundred ninety-one".