1206624 has 24 divisors (see below), whose sum is σ = 3167640. Its totient is φ = 402176.

The previous prime is 1206619. The next prime is 1206637. The reversal of 1206624 is 4266021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1206624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6189 + ... + 6380.

It is an arithmetic number, because the mean of its divisors is an integer number (131985).

2^1206624 is an apocalyptic number.

It is an amenable number.

1206624 is an abundant number, since it is smaller than the sum of its proper divisors (1961016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1206624 is a wasteful number, since it uses less digits than its factorization.

1206624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12582 (or 12574 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1206624 is about 1098.4643826725. The cubic root of 1206624 is about 106.4610274206.

It can be divided in two parts, 12066 and 24, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 1206624 in words is "one million, two hundred six thousand, six hundred twenty-four".