13697473 has 2 divisors, whose sum is σ = 13697474. Its totient is φ = 13697472.

The previous prime is 13697471. The next prime is 13697503. The reversal of 13697473 is 37479631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8625969 + 5071504 = 2937^2 + 2252^2 .

It is a cyclic number.

It is not a de Polignac number, because 13697473 - 2¹ = 13697471 is a prime.

Together with 13697471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13697471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6848736 + 6848737.

It is an arithmetic number, because the mean of its divisors is an integer number (6848737).

Almost surely, 2^13697473 is an apocalyptic number.

It is an amenable number.

13697473 is a deficient number, since it is larger than the sum of its proper divisors (1).

13697473 is an equidigital number, since it uses as much as digits as its factorization.

13697473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 40.

The square root of 13697473 is about 3701.0097270880. The cubic root of 13697473 is about 239.2655382155.

The spelling of 13697473 in words is "thirteen million, six hundred ninety-seven thousand, four hundred seventy-three".