14621997 has 16 divisors (see below), whose sum is σ = 21909888. Its totient is φ = 8606400.

The previous prime is 14621969. The next prime is 14622017. The reversal of 14621997 is 79912641.

It is not a de Polignac number, because 14621997 - 2⁷ = 14621869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14621917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7254 + ... + 9047.

It is an arithmetic number, because the mean of its divisors is an integer number (1369368).

Almost surely, 2^14621997 is an apocalyptic number.

It is an amenable number.

14621997 is a deficient number, since it is larger than the sum of its proper divisors (7287891).

14621997 is a wasteful number, since it uses less digits than its factorization.

14621997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16340.

The product of its digits is 27216, while the sum is 39.

The square root of 14621997 is about 3823.8719905352. The cubic root of 14621997 is about 244.5319231824.

The spelling of 14621997 in words is "fourteen million, six hundred twenty-one thousand, nine hundred ninety-seven".