10509706 has 8 divisors (see below), whose sum is σ = 16691940. Its totient is φ = 4945728.

The previous prime is 10509703. The next prime is 10509773. The reversal of 10509706 is 60790501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10504081 + 5625 = 3241^2 + 75^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10509706² = 220907840412872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10509701) 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, 154521 + ... + 154588.

Almost surely, 2^10509706 is an apocalyptic number.

10509706 is a deficient number, since it is larger than the sum of its proper divisors (6182234).

10509706 is a wasteful number, since it uses less digits than its factorization.

10509706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309128.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 10509706 is about 3241.8676715745. The cubic root of 10509706 is about 219.0434086162.

The spelling of 10509706 in words is "ten million, five hundred nine thousand, seven hundred six".