13314991 has 4 divisors (see below), whose sum is σ = 14015800. Its totient is φ = 12614184.

The previous prime is 13314989. The next prime is 13314997. The reversal of 13314991 is 19941331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19941331 = 83 ⋅240257.

It is a cyclic number.

It is not a de Polignac number, because 13314991 - 2¹ = 13314989 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 (13314997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350376 + ... + 350413.

It is an arithmetic number, because the mean of its divisors is an integer number (3503950).

Almost surely, 2^13314991 is an apocalyptic number.

13314991 is a deficient number, since it is larger than the sum of its proper divisors (700809).

13314991 is an equidigital number, since it uses as much as digits as its factorization.

13314991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700808.

The product of its digits is 2916, while the sum is 31.

The square root of 13314991 is about 3648.9712248797. The cubic root of 13314991 is about 237.0174341949.

The spelling of 13314991 in words is "thirteen million, three hundred fourteen thousand, nine hundred ninety-one".