13824697 has 2 divisors, whose sum is σ = 13824698. Its totient is φ = 13824696.

The previous prime is 13824683. The next prime is 13824709. The reversal of 13824697 is 79642831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9585216 + 4239481 = 3096^2 + 2059^2 .

It is a cyclic number.

It is not a de Polignac number, because 13824697 - 2²³ = 5436089 is a prime.

It is a super-2 number, since 2×13824697² = 382244494283618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13824607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6912348 + 6912349.

It is an arithmetic number, because the mean of its divisors is an integer number (6912349).

Almost surely, 2^13824697 is an apocalyptic number.

It is an amenable number.

13824697 is a deficient number, since it is larger than the sum of its proper divisors (1).

13824697 is an equidigital number, since it uses as much as digits as its factorization.

13824697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 13824697 is about 3718.1577427538. The cubic root of 13824697 is about 240.0040334970.

The spelling of 13824697 in words is "thirteen million, eight hundred twenty-four thousand, six hundred ninety-seven".