1263696 has 40 divisors (see below), whose sum is σ = 3731904. Its totient is φ = 360960.

The previous prime is 1263677. The next prime is 1263697. The reversal of 1263696 is 6963621.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545 + ... + 2216.

2^1263696 is an apocalyptic number.

1263696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1263696 is an abundant number, since it is smaller than the sum of its proper divisors (2468208).

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

1263696 is a wasteful number, since it uses less digits than its factorization.

1263696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779 (or 3773 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 1263696 is about 1124.1423397417. The cubic root of 1263696 is about 108.1137347792.

The spelling of 1263696 in words is "one million, two hundred sixty-three thousand, six hundred ninety-six".