1206623 has 8 divisors (see below), whose sum is σ = 1347456. Its totient is φ = 1071000.

The previous prime is 1206619. The next prime is 1206637. The reversal of 1206623 is 3266021.

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

It is a cyclic number.

It is not a de Polignac number, because 1206623 - 2² = 1206619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1206595 and 1206604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803 + ... + 1748.

It is an arithmetic number, because the mean of its divisors is an integer number (168432).

2^1206623 is an apocalyptic number.

1206623 is a deficient number, since it is larger than the sum of its proper divisors (140833).

1206623 is a wasteful number, since it uses less digits than its factorization.

1206623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1206623 is about 1098.4639274915. The cubic root of 1206623 is about 106.4609980104.

The spelling of 1206623 in words is "one million, two hundred six thousand, six hundred twenty-three".