14049921 has 16 divisors (see below), whose sum is σ = 19393920. Its totient is φ = 9041280.

The previous prime is 14049907. The next prime is 14049923. The reversal of 14049921 is 12994041.

It is not a de Polignac number, because 14049921 - 2⁷ = 14049793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14049923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12115 + ... + 13223.

It is an arithmetic number, because the mean of its divisors is an integer number (1212120).

Almost surely, 2^14049921 is an apocalyptic number.

It is an amenable number.

14049921 is a deficient number, since it is larger than the sum of its proper divisors (5343999).

14049921 is a wasteful number, since it uses less digits than its factorization.

14049921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 14049921 is about 3748.3224247655. The cubic root of 14049921 is about 241.3003549573.

It can be divided in two parts, 1404 and 9921, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 14049921 in words is "fourteen million, forty-nine thousand, nine hundred twenty-one".