1317480 has 32 divisors (see below), whose sum is σ = 3952800. Its totient is φ = 351296.

The previous prime is 1317461. The next prime is 1317487. The reversal of 1317480 is 847131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1317480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317487) 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, 5370 + ... + 5609.

It is an arithmetic number, because the mean of its divisors is an integer number (123525).

2^1317480 is an apocalyptic number.

1317480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1317480 is an abundant number, since it is smaller than the sum of its proper divisors (2635320).

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

1317480 is a wasteful number, since it uses less digits than its factorization.

1317480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10993 (or 10989 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1317480 is about 1147.8153161550. The cubic root of 1317480 is about 109.6262799502.

The spelling of 1317480 in words is "one million, three hundred seventeen thousand, four hundred eighty".