1245916 has 12 divisors (see below), whose sum is σ = 2491888. Its totient is φ = 533952.

The previous prime is 1245883. The next prime is 1245917. The reversal of 1245916 is 6195421.

1245916 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 44497 = 1245916 / (1 + 2 + 4 + 5 + 9 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245917) 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, 22221 + ... + 22276.

2^1245916 is an apocalyptic number.

It is an amenable number.

1245916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1245916 is a wasteful number, since it uses less digits than its factorization.

1245916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44508 (or 44506 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 1245916 is about 1116.2060741637. The cubic root of 1245916 is about 107.6042903537.

The spelling of 1245916 in words is "one million, two hundred forty-five thousand, nine hundred sixteen".