13240973 has 2 divisors, whose sum is σ = 13240974. Its totient is φ = 13240972.

The previous prime is 13240949. The next prime is 13241017. The reversal of 13240973 is 37904231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13235044 + 5929 = 3638^2 + 77^2 .

It is a cyclic number.

It is not a de Polignac number, because 13240973 - 2¹⁰ = 13239949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13240933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6620486 + 6620487.

It is an arithmetic number, because the mean of its divisors is an integer number (6620487).

Almost surely, 2^13240973 is an apocalyptic number.

It is an amenable number.

13240973 is a deficient number, since it is larger than the sum of its proper divisors (1).

13240973 is an equidigital number, since it uses as much as digits as its factorization.

13240973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 13240973 is about 3638.8147795677. The cubic root of 13240973 is about 236.5774247497.

The spelling of 13240973 in words is "thirteen million, two hundred forty thousand, nine hundred seventy-three".