14146821 has 36 divisors (see below), whose sum is σ = 22610016. Its totient is φ = 8517600.

The previous prime is 14146807. The next prime is 14146823. The reversal of 14146821 is 12864141.

It is a happy number.

It is not a de Polignac number, because 14146821 - 2⁵ = 14146789 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14146823) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 107926 + ... + 108056.

It is an arithmetic number, because the mean of its divisors is an integer number (628056).

Almost surely, 2^14146821 is an apocalyptic number.

It is an amenable number.

14146821 is a deficient number, since it is larger than the sum of its proper divisors (8463195).

14146821 is a wasteful number, since it uses less digits than its factorization.

14146821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 218 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 14146821 is about 3761.2259969324. The cubic root of 14146821 is about 241.8538208325.

The spelling of 14146821 in words is "fourteen million, one hundred forty-six thousand, eight hundred twenty-one".