10403947 has 2 divisors, whose sum is σ = 10403948. Its totient is φ = 10403946.

The previous prime is 10403903. The next prime is 10403951. The reversal of 10403947 is 74930401.

10403947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10403947 - 2⁷ = 10403819 is a prime.

It is a super-2 number, since 2×10403947² = 216484226357618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10403957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201973 + 5201974.

It is an arithmetic number, because the mean of its divisors is an integer number (5201974).

Almost surely, 2^10403947 is an apocalyptic number.

10403947 is a deficient number, since it is larger than the sum of its proper divisors (1).

10403947 is an equidigital number, since it uses as much as digits as its factorization.

10403947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 10403947 is about 3225.5149976399. The cubic root of 10403947 is about 218.3061867588.

It can be divided in two parts, 1040394 and 7, that added together give a palindrome (1040401).

The spelling of 10403947 in words is "ten million, four hundred three thousand, nine hundred forty-seven".