1247598 has 24 divisors (see below), whose sum is σ = 2949336. Its totient is φ = 378000.

The previous prime is 1247591. The next prime is 1247599. The reversal of 1247598 is 8957421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1247591) 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, 2953 + ... + 3348.

It is an arithmetic number, because the mean of its divisors is an integer number (122889).

2^1247598 is an apocalyptic number.

1247598 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1247598 is an abundant number, since it is smaller than the sum of its proper divisors (1701738).

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

1247598 is a wasteful number, since it uses less digits than its factorization.

1247598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320 (or 6317 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1247598 is about 1116.9592651480. The cubic root of 1247598 is about 107.6526908963.

The spelling of 1247598 in words is "one million, two hundred forty-seven thousand, five hundred ninety-eight".