1245632 has 14 divisors (see below), whose sum is σ = 2471928. Its totient is φ = 622784.

The previous prime is 1245623. The next prime is 1245649. The reversal of 1245632 is 2365421.

It is a junction number, because it is equal to n+sod(n) for n = 1245598 and 1245607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9668 + ... + 9795.

2^1245632 is an apocalyptic number.

It is an amenable number.

1245632 is a deficient number, since it is larger than the sum of its proper divisors (1226296).

1245632 is an equidigital number, since it uses as much as digits as its factorization.

1245632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19475 (or 19465 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 1245632 is about 1116.0788502610. The cubic root of 1245632 is about 107.5961137884.

The spelling of 1245632 in words is "one million, two hundred forty-five thousand, six hundred thirty-two".