14991395 has 4 divisors (see below), whose sum is σ = 17989680. Its totient is φ = 11993112.

The previous prime is 14991373. The next prime is 14991397. The reversal of 14991395 is 59319941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59319941 = 1553 ⋅38197.

It is a cyclic number.

It is not a de Polignac number, because 14991395 - 2¹² = 14987299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14991397) 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, 1499135 + ... + 1499144.

It is an arithmetic number, because the mean of its divisors is an integer number (4497420).

Almost surely, 2^14991395 is an apocalyptic number.

14991395 is a deficient number, since it is larger than the sum of its proper divisors (2998285).

14991395 is an equidigital number, since it uses as much as digits as its factorization.

14991395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998284.

The product of its digits is 43740, while the sum is 41.

The square root of 14991395 is about 3871.8722861169. The cubic root of 14991395 is about 246.5740389569.

The spelling of 14991395 in words is "fourteen million, nine hundred ninety-one thousand, three hundred ninety-five".