14021004 has 24 divisors (see below), whose sum is σ = 32776240. Its totient is φ = 4665024.

The previous prime is 14021003. The next prime is 14021011. The reversal of 14021004 is 40012041.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (14021003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12282 + ... + 13374.

Almost surely, 2^14021004 is an apocalyptic number.

It is an amenable number.

14021004 is an abundant number, since it is smaller than the sum of its proper divisors (18755236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14021004 is a wasteful number, since it uses less digits than its factorization.

14021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169 (or 2167 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 14021004 is about 3744.4631123834. The cubic root of 14021004 is about 241.1346962581.

Adding to 14021004 its reverse (40012041), we get a palindrome (54033045).

The spelling of 14021004 in words is "fourteen million, twenty-one thousand, four".