10508947 has 4 divisors (see below), whose sum is σ = 10520280. Its totient is φ = 10497616.

The previous prime is 10508909. The next prime is 10508959. The reversal of 10508947 is 74980501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10508947 is a prime.

It is a super-2 number, since 2×10508947² = 220875934097618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10508977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4138 + ... + 6175.

It is an arithmetic number, because the mean of its divisors is an integer number (2630070).

Almost surely, 2^10508947 is an apocalyptic number.

10508947 is a deficient number, since it is larger than the sum of its proper divisors (11333).

10508947 is a wasteful number, since it uses less digits than its factorization.

10508947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11332.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 10508947 is about 3241.7506073108. The cubic root of 10508947 is about 219.0381354605.

The spelling of 10508947 in words is "ten million, five hundred eight thousand, nine hundred forty-seven".