14918421 has 32 divisors (see below), whose sum is σ = 24127488. Its totient is φ = 8015040.

The previous prime is 14918399. The next prime is 14918429. The reversal of 14918421 is 12481941.

14918421 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14918421 - 2²³ = 6529813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14918429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32131 + ... + 32591.

It is an arithmetic number, because the mean of its divisors is an integer number (753984).

Almost surely, 2^14918421 is an apocalyptic number.

It is an amenable number.

14918421 is a deficient number, since it is larger than the sum of its proper divisors (9209067).

14918421 is a wasteful number, since it uses less digits than its factorization.

14918421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its digits is 2304, while the sum is 30.

The square root of 14918421 is about 3862.4371839552. The cubic root of 14918421 is about 246.1733030919.

The spelling of 14918421 in words is "fourteen million, nine hundred eighteen thousand, four hundred twenty-one".