14693621 has 6 divisors (see below), whose sum is σ = 15062466. Its totient is φ = 14333600.

The previous prime is 14693617. The next prime is 14693641. The reversal of 14693621 is 12639641.

14693621 = 2710² + 2711².

14693621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1661521 + 13032100 = 1289^2 + 3610^2 .

It is not a de Polignac number, because 14693621 - 2² = 14693617 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 (14693611) 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, 2690 + ... + 6051.

It is an arithmetic number, because the mean of its divisors is an integer number (2510411).

Almost surely, 2^14693621 is an apocalyptic number.

14693621 is the 2711-st centered square number.

It is an amenable number.

14693621 is a deficient number, since it is larger than the sum of its proper divisors (368845).

14693621 is an frugal number, since it uses more digits than its factorization.

14693621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8823 (or 8782 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 14693621 is about 3833.2259260315. The cubic root of 14693621 is about 244.9305425764.

The spelling of 14693621 in words is "fourteen million, six hundred ninety-three thousand, six hundred twenty-one".