14950991 has 4 divisors (see below), whose sum is σ = 16310184. Its totient is φ = 13591800.

The previous prime is 14950981. The next prime is 14950993. The reversal of 14950991 is 19905941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19905941 = 11 ⋅1809631.

It is a cyclic number.

It is not a de Polignac number, because 14950991 - 2⁶ = 14950927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14950993) 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 in 3 ways as a sum of consecutive naturals, for example, 679580 + ... + 679601.

It is an arithmetic number, because the mean of its divisors is an integer number (4077546).

Almost surely, 2^14950991 is an apocalyptic number.

14950991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14950991 is a deficient number, since it is larger than the sum of its proper divisors (1359193).

14950991 is a wasteful number, since it uses less digits than its factorization.

14950991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359192.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 14950991 is about 3866.6511350263. The cubic root of 14950991 is about 246.3523219631.

The spelling of 14950991 in words is "fourteen million, nine hundred fifty thousand, nine hundred ninety-one".