1243696 has 10 divisors (see below), whose sum is σ = 2409692. Its totient is φ = 621840.

The previous prime is 1243691. The next prime is 1243709. The reversal of 1243696 is 6963421.

It is not an unprimeable number, because it can be changed into a prime (1243691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38850 + ... + 38881.

2^1243696 is an apocalyptic number.

1243696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1243696 is a deficient number, since it is larger than the sum of its proper divisors (1165996).

1243696 is an equidigital number, since it uses as much as digits as its factorization.

1243696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77739 (or 77733 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 1243696 is about 1115.2111907616. The cubic root of 1243696 is about 107.5403418086.

The spelling of 1243696 in words is "one million, two hundred forty-three thousand, six hundred ninety-six".