14399811 has 12 divisors (see below), whose sum is σ = 20834320. Its totient is φ = 9583920.

The previous prime is 14399783. The next prime is 14399821. The reversal of 14399811 is 11899341.

It is not a de Polignac number, because 14399811 - 2¹⁴ = 14383427 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (14399821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7401 + ... + 9141.

Almost surely, 2^14399811 is an apocalyptic number.

14399811 is a deficient number, since it is larger than the sum of its proper divisors (6434509).

14399811 is a wasteful number, since it uses less digits than its factorization.

14399811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666 (or 2663 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 14399811 is about 3794.7082891838. The cubic root of 14399811 is about 243.2870154329.

The spelling of 14399811 in words is "fourteen million, three hundred ninety-nine thousand, eight hundred eleven".