14021642 has 4 divisors (see below), whose sum is σ = 21032466. Its totient is φ = 7010820.

The previous prime is 14021629. The next prime is 14021647. The reversal of 14021642 is 24612041.

14021642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13623481 + 398161 = 3691^2 + 631^2 .

It is not an unprimeable number, because it can be changed into a prime (14021647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3505409 + ... + 3505412.

Almost surely, 2^14021642 is an apocalyptic number.

14021642 is a deficient number, since it is larger than the sum of its proper divisors (7010824).

14021642 is an equidigital number, since it uses as much as digits as its factorization.

14021642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7010823.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 14021642 is about 3744.5483038679. The cubic root of 14021642 is about 241.1383536663.

Adding to 14021642 its reverse (24612041), we get a palindrome (38633683).

The spelling of 14021642 in words is "fourteen million, twenty-one thousand, six hundred forty-two".