10728439 has 2 divisors, whose sum is σ = 10728440. Its totient is φ = 10728438.

The previous prime is 10728433. The next prime is 10728461. The reversal of 10728439 is 93482701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10728439 - 2¹³ = 10720247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10728433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5364219 + 5364220.

It is an arithmetic number, because the mean of its divisors is an integer number (5364220).

Almost surely, 2^10728439 is an apocalyptic number.

10728439 is a deficient number, since it is larger than the sum of its proper divisors (1).

10728439 is an equidigital number, since it uses as much as digits as its factorization.

10728439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 10728439 is about 3275.4295901454. The cubic root of 10728439 is about 220.5525984184.

The spelling of 10728439 in words is "ten million, seven hundred twenty-eight thousand, four hundred thirty-nine".