1506706 has 4 divisors (see below), whose sum is σ = 2260062. Its totient is φ = 753352.

The previous prime is 1506697. The next prime is 1506721. The reversal of 1506706 is 6076051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6076051 = 29 ⋅209519.

It can be written as a sum of positive squares in only one way, i.e., 1265625 + 241081 = 1125^2 + 491^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 376675 + ... + 376678.

2^1506706 is an apocalyptic number.

1506706 is a deficient number, since it is larger than the sum of its proper divisors (753356).

1506706 is an equidigital number, since it uses as much as digits as its factorization.

1506706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753355.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1506706 is about 1227.4795313976. The cubic root of 1506706 is about 114.6417585313.

The spelling of 1506706 in words is "one million, five hundred six thousand, seven hundred six".