14991419 has 2 divisors, whose sum is σ = 14991420. Its totient is φ = 14991418.

The previous prime is 14991413. The next prime is 14991439. The reversal of 14991419 is 91419941.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14991419 is a prime.

It is a super-2 number, since 2×14991419² = 449485287267122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14991413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7495709 + 7495710.

It is an arithmetic number, because the mean of its divisors is an integer number (7495710).

Almost surely, 2^14991419 is an apocalyptic number.

14991419 is a deficient number, since it is larger than the sum of its proper divisors (1).

14991419 is an equidigital number, since it uses as much as digits as its factorization.

14991419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 38.

The square root of 14991419 is about 3871.8753853914. The cubic root of 14991419 is about 246.5741705385.

The spelling of 14991419 in words is "fourteen million, nine hundred ninety-one thousand, four hundred nineteen".