14321691 has 12 divisors (see below), whose sum is σ = 21453432. Its totient is φ = 9547632.

The previous prime is 14321677. The next prime is 14321693. The reversal of 14321691 is 19612341.

It is not a de Polignac number, because 14321691 - 2¹³ = 14313499 is a prime.

It is a super-2 number, since 2×14321691² = 410221666198962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (14321693) 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 11 ways as a sum of consecutive naturals, for example, 29226 + ... + 29711.

It is an arithmetic number, because the mean of its divisors is an integer number (1787786).

Almost surely, 2^14321691 is an apocalyptic number.

14321691 is a deficient number, since it is larger than the sum of its proper divisors (7131741).

14321691 is an frugal number, since it uses more digits than its factorization.

14321691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58952 (or 58940 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 14321691 is about 3784.4010094069. The cubic root of 14321691 is about 242.8462676461.

The spelling of 14321691 in words is "fourteen million, three hundred twenty-one thousand, six hundred ninety-one".