18696053 has 2 divisors, whose sum is σ = 18696054. Its totient is φ = 18696052.

The previous prime is 18696049. The next prime is 18696059. The reversal of 18696053 is 35069681.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11847364 + 6848689 = 3442^2 + 2617^2 .

It is an emirp because it is prime and its reverse (35069681) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18696053 - 2² = 18696049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18695998 and 18696016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18696059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9348026 + 9348027.

It is an arithmetic number, because the mean of its divisors is an integer number (9348027).

Almost surely, 2^18696053 is an apocalyptic number.

It is an amenable number.

18696053 is a deficient number, since it is larger than the sum of its proper divisors (1).

18696053 is an equidigital number, since it uses as much as digits as its factorization.

18696053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 18696053 is about 4323.8932688030. The cubic root of 18696053 is about 265.4096098067.

The spelling of 18696053 in words is "eighteen million, six hundred ninety-six thousand, fifty-three".