14504991 has 4 divisors (see below), whose sum is σ = 19339992. Its totient is φ = 9669992.

The previous prime is 14504983. The next prime is 14505047. The reversal of 14504991 is 19940541.

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

It is a cyclic number.

It is not a de Polignac number, because 14504991 - 2³ = 14504983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14504921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2417496 + ... + 2417501.

It is an arithmetic number, because the mean of its divisors is an integer number (4834998).

Almost surely, 2^14504991 is an apocalyptic number.

14504991 is a deficient number, since it is larger than the sum of its proper divisors (4835001).

14504991 is an equidigital number, since it uses as much as digits as its factorization.

14504991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835000.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 14504991 is about 3808.5418469540. The cubic root of 14504991 is about 243.8779231221.

It can be divided in two parts, 1450 and 4991, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 14504991 in words is "fourteen million, five hundred four thousand, nine hundred ninety-one".