14397813 has 12 divisors (see below), whose sum is σ = 20992608. Its totient is φ = 9508200.

The previous prime is 14397809. The next prime is 14397841. The reversal of 14397813 is 31879341.

It is a happy number.

It is not a de Polignac number, because 14397813 - 2² = 14397809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14390813) 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, 6513 + ... + 8438.

It is an arithmetic number, because the mean of its divisors is an integer number (1749384).

Almost surely, 2^14397813 is an apocalyptic number.

It is an amenable number.

14397813 is a deficient number, since it is larger than the sum of its proper divisors (6594795).

14397813 is a wasteful number, since it uses less digits than its factorization.

14397813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15064 (or 15061 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 14397813 is about 3794.4450187083. The cubic root of 14397813 is about 243.2757627403.

The spelling of 14397813 in words is "fourteen million, three hundred ninety-seven thousand, eight hundred thirteen".