14988421 has 4 divisors (see below), whose sum is σ = 17129632. Its totient is φ = 12847212.

The previous prime is 14988403. The next prime is 14988427. The reversal of 14988421 is 12488941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14988421 - 2⁹ = 14987909 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 (14988427) 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 3 ways as a sum of consecutive naturals, for example, 1070595 + ... + 1070608.

It is an arithmetic number, because the mean of its divisors is an integer number (4282408).

Almost surely, 2^14988421 is an apocalyptic number.

It is an amenable number.

14988421 is a deficient number, since it is larger than the sum of its proper divisors (2141211).

14988421 is an equidigital number, since it uses as much as digits as its factorization.

14988421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141210.

The product of its digits is 18432, while the sum is 37.

The square root of 14988421 is about 3871.4882151441. The cubic root of 14988421 is about 246.5577327206.

The spelling of 14988421 in words is "fourteen million, nine hundred eighty-eight thousand, four hundred twenty-one".