14989919 has 4 divisors (see below), whose sum is σ = 17131344. Its totient is φ = 12848496.

The previous prime is 14989913. The next prime is 14989939. The reversal of 14989919 is 91998941.

14989919 = T₂₀₆₆ + T₂₀₆₇ + ... + T₂₀₇₂.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91998941 = 1871 ⋅49171.

It is a cyclic number.

It is not a de Polignac number, because 14989919 - 2¹⁶ = 14924383 is a prime.

It is a super-2 number, since 2×14989919² = 449395343253122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14989913) 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, 1070702 + ... + 1070715.

It is an arithmetic number, because the mean of its divisors is an integer number (4282836).

Almost surely, 2^14989919 is an apocalyptic number.

14989919 is a deficient number, since it is larger than the sum of its proper divisors (2141425).

14989919 is an equidigital number, since it uses as much as digits as its factorization.

14989919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141424.

The product of its digits is 209952, while the sum is 50.

The square root of 14989919 is about 3871.6816759646. The cubic root of 14989919 is about 246.5659464206.

The spelling of 14989919 in words is "fourteen million, nine hundred eighty-nine thousand, nine hundred nineteen".