1245912 has 16 divisors (see below), whose sum is σ = 3114840. Its totient is φ = 415296.

The previous prime is 1245883. The next prime is 1245917. The reversal of 1245912 is 2195421.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 51913 = 1245912 / (1 + 2 + 4 + 5 + 9 + 1 + 2).

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, 25933 + ... + 25980.

2^1245912 is an apocalyptic number.

1245912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245912 is an abundant number, since it is smaller than the sum of its proper divisors (1868928).

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

1245912 is a wasteful number, since it uses less digits than its factorization.

1245912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51922 (or 51918 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 1245912 is about 1116.2042823785. The cubic root of 1245912 is about 107.6041751995.

The spelling of 1245912 in words is "one million, two hundred forty-five thousand, nine hundred twelve".