1245612 has 12 divisors (see below), whose sum is σ = 2906456. Its totient is φ = 415200.

The previous prime is 1245589. The next prime is 1245613. The reversal of 1245612 is 2165421.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1245613) 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, 51889 + ... + 51912.

2^1245612 is an apocalyptic number.

1245612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245612 is an abundant number, since it is smaller than the sum of its proper divisors (1660844).

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

1245612 is a wasteful number, since it uses less digits than its factorization.

1245612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103808 (or 103806 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 1245612 is about 1116.0698902847. The cubic root of 1245612 is about 107.5955379271.

The spelling of 1245612 in words is "one million, two hundred forty-five thousand, six hundred twelve".