612347 has 4 divisors (see below), whose sum is σ = 617880. Its totient is φ = 606816.

The previous prime is 612341. The next prime is 612349. The reversal of 612347 is 743216.

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

It is a cyclic number.

It is not a de Polignac number, because 612347 - 2⁴ = 612331 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (612341) 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, 2597 + ... + 2822.

It is an arithmetic number, because the mean of its divisors is an integer number (154470).

2⁶¹²³⁴⁷ is an apocalyptic number.

612347 is a deficient number, since it is larger than the sum of its proper divisors (5533).

612347 is a wasteful number, since it uses less digits than its factorization.

612347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5532.

The product of its digits is 1008, while the sum is 23.

The square root of 612347 is about 782.5260379054. The cubic root of 612347 is about 84.9178907202.

It can be divided in two parts, 612 and 347, that added together give a palindrome (959).

The spelling of 612347 in words is "six hundred twelve thousand, three hundred forty-seven".