10413721 has 2 divisors, whose sum is σ = 10413722. Its totient is φ = 10413720.

The previous prime is 10413719. The next prime is 10413727. The reversal of 10413721 is 12731401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 1413721 = 3000^2 + 1189^2 .

It is an emirp because it is prime and its reverse (12731401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10413721 - 2¹ = 10413719 is a prime.

Together with 10413719, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (10413727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5206860 + 5206861.

It is an arithmetic number, because the mean of its divisors is an integer number (5206861).

Almost surely, 2^10413721 is an apocalyptic number.

It is an amenable number.

10413721 is a deficient number, since it is larger than the sum of its proper divisors (1).

10413721 is an equidigital number, since it uses as much as digits as its factorization.

10413721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 10413721 is about 3227.0297488557. The cubic root of 10413721 is about 218.3745280284.

The spelling of 10413721 in words is "ten million, four hundred thirteen thousand, seven hundred twenty-one".