10971439 has 2 divisors, whose sum is σ = 10971440. Its totient is φ = 10971438.

The previous prime is 10971431. The next prime is 10971449. The reversal of 10971439 is 93417901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10971439 - 2³ = 10971431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10971431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5485719 + 5485720.

It is an arithmetic number, because the mean of its divisors is an integer number (5485720).

Almost surely, 2^10971439 is an apocalyptic number.

10971439 is a deficient number, since it is larger than the sum of its proper divisors (1).

10971439 is an equidigital number, since it uses as much as digits as its factorization.

10971439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 10971439 is about 3312.3162590550. The cubic root of 10971439 is about 222.2053601187.

The spelling of 10971439 in words is "ten million, nine hundred seventy-one thousand, four hundred thirty-nine".