14991201 has 6 divisors (see below), whose sum is σ = 21653970. Its totient is φ = 9994128.

The previous prime is 14991191. The next prime is 14991227. The reversal of 14991201 is 10219941.

It can be written as a sum of positive squares in only one way, i.e., 14814801 + 176400 = 3849^2 + 420^2 .

It is not a de Polignac number, because 14991201 - 2⁵ = 14991169 is a prime.

It is a super-2 number, since 2×14991201² = 449472214844802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14991241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 832836 + ... + 832853.

It is an arithmetic number, because the mean of its divisors is an integer number (3608995).

Almost surely, 2^14991201 is an apocalyptic number.

It is an amenable number.

14991201 is a deficient number, since it is larger than the sum of its proper divisors (6662769).

14991201 is a wasteful number, since it uses less digits than its factorization.

14991201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665695 (or 1665692 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 14991201 is about 3871.8472335566. The cubic root of 14991201 is about 246.5729753341.

The spelling of 14991201 in words is "fourteen million, nine hundred ninety-one thousand, two hundred one".