1297935 has 12 divisors (see below), whose sum is σ = 2249832. Its totient is φ = 692208.

The previous prime is 1297927. The next prime is 1297963. The reversal of 1297935 is 5397921.

It is not a de Polignac number, because 1297935 - 2³ = 1297927 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

1297935 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1297935.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14377 + ... + 14466.

It is an arithmetic number, because the mean of its divisors is an integer number (187486).

2^1297935 is an apocalyptic number.

1297935 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1297935 is a deficient number, since it is larger than the sum of its proper divisors (951897).

1297935 is a wasteful number, since it uses less digits than its factorization.

1297935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28854 (or 28851 counting only the distinct ones).

The product of its digits is 17010, while the sum is 36.

The square root of 1297935 is about 1139.2695027955. The cubic root of 1297935 is about 109.0814698272.

The spelling of 1297935 in words is "one million, two hundred ninety-seven thousand, nine hundred thirty-five".