10391387 has 2 divisors, whose sum is σ = 10391388. Its totient is φ = 10391386.

The previous prime is 10391341. The next prime is 10391419. The reversal of 10391387 is 78319301.

It is an a-pointer prime, because the next prime (10391419) can be obtained adding 10391387 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10391387 - 2¹² = 10387291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10391317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5195693 + 5195694.

It is an arithmetic number, because the mean of its divisors is an integer number (5195694).

Almost surely, 2^10391387 is an apocalyptic number.

10391387 is a deficient number, since it is larger than the sum of its proper divisors (1).

10391387 is an equidigital number, since it uses as much as digits as its factorization.

10391387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 10391387 is about 3223.5674337603. The cubic root of 10391387 is about 218.2183024899.

The spelling of 10391387 in words is "ten million, three hundred ninety-one thousand, three hundred eighty-seven".