10239913 has 2 divisors, whose sum is σ = 10239914. Its totient is φ = 10239912.

The previous prime is 10239907. The next prime is 10239923. The reversal of 10239913 is 31993201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10156969 + 82944 = 3187^2 + 288^2 .

It is a cyclic number.

It is not a de Polignac number, because 10239913 - 2⁵ = 10239881 is a prime.

It is not a weakly prime, because it can be changed into another prime (10239923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5119956 + 5119957.

It is an arithmetic number, because the mean of its divisors is an integer number (5119957).

Almost surely, 2^10239913 is an apocalyptic number.

It is an amenable number.

10239913 is a deficient number, since it is larger than the sum of its proper divisors (1).

10239913 is an equidigital number, since it uses as much as digits as its factorization.

10239913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 10239913 is about 3199.9864062211. The cubic root of 10239913 is about 217.1527943406.

The spelling of 10239913 in words is "ten million, two hundred thirty-nine thousand, nine hundred thirteen".