10520947 has 4 divisors (see below), whose sum is σ = 10567120. Its totient is φ = 10474776.

The previous prime is 10520941. The next prime is 10520953. The reversal of 10520947 is 74902501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74902501 = 1289 ⋅58109.

It is an interprime number because it is at equal distance from previous prime (10520941) and next prime (10520953).

It is a cyclic number.

It is not a de Polignac number, because 10520947 - 2¹⁹ = 9996659 is a prime.

It is a super-2 number, since 2×10520947² = 221380651553618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10520941) 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, 22743 + ... + 23200.

It is an arithmetic number, because the mean of its divisors is an integer number (2641780).

Almost surely, 2^10520947 is an apocalyptic number.

10520947 is a deficient number, since it is larger than the sum of its proper divisors (46173).

10520947 is an equidigital number, since it uses as much as digits as its factorization.

10520947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46172.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 10520947 is about 3243.6009310641. The cubic root of 10520947 is about 219.1214758051.

The spelling of 10520947 in words is "ten million, five hundred twenty thousand, nine hundred forty-seven".