1247960 has 32 divisors (see below), whose sum is σ = 3209760. Its totient is φ = 427776.

The previous prime is 1247959. The next prime is 1247969. The reversal of 1247960 is 697421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1247969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1949 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (100305).

2^1247960 is an apocalyptic number.

1247960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1247960 is an abundant number, since it is smaller than the sum of its proper divisors (1961800).

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

1247960 is a wasteful number, since it uses less digits than its factorization.

1247960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475 (or 4471 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1247960 is about 1117.1213004862. The cubic root of 1247960 is about 107.6631019704.

The spelling of 1247960 in words is "one million, two hundred forty-seven thousand, nine hundred sixty".