1263960 has 48 divisors (see below), whose sum is σ = 4109040. Its totient is φ = 336960.

The previous prime is 1263953. The next prime is 1263961. The reversal of 1263960 is 693621.

It is a happy number.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1396 + ... + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (85605).

2^1263960 is an apocalyptic number.

1263960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1263960 is an abundant number, since it is smaller than the sum of its proper divisors (2845080).

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

1263960 is a wasteful number, since it uses less digits than its factorization.

1263960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528 (or 3521 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1263960 is about 1124.2597564620. The cubic root of 1263960 is about 108.1212629713.

The spelling of 1263960 in words is "one million, two hundred sixty-three thousand, nine hundred sixty".