3126506 has 4 divisors (see below), whose sum is σ = 4689762. Its totient is φ = 1563252.

The previous prime is 3126491. The next prime is 3126509. The reversal of 3126506 is 6056213.

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

It can be written as a sum of positive squares in only one way, i.e., 3010225 + 116281 = 1735^2 + 341^2 .

It is not an unprimeable number, because it can be changed into a prime (3126509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781625 + ... + 781628.

Almost surely, 2^3126506 is an apocalyptic number.

3126506 is a deficient number, since it is larger than the sum of its proper divisors (1563256).

3126506 is a wasteful number, since it uses less digits than its factorization.

3126506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563255.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3126506 is about 1768.1928627839. The cubic root of 3126506 is about 146.2243688494.

The spelling of 3126506 in words is "three million, one hundred twenty-six thousand, five hundred six".