14202991 has 8 divisors (see below), whose sum is σ = 15994368. Its totient is φ = 12495000.

The previous prime is 14202971. The next prime is 14202997. The reversal of 14202991 is 19920241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14202991 - 2⁷ = 14202863 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 (14202997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20485 + ... + 21166.

It is an arithmetic number, because the mean of its divisors is an integer number (1999296).

Almost surely, 2^14202991 is an apocalyptic number.

14202991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14202991 is a deficient number, since it is larger than the sum of its proper divisors (1791377).

14202991 is a wasteful number, since it uses less digits than its factorization.

14202991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41693.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 14202991 is about 3768.6855798806. The cubic root of 14202991 is about 242.1734919210.

The spelling of 14202991 in words is "fourteen million, two hundred two thousand, nine hundred ninety-one".