1307957 has 6 divisors (see below), whose sum is σ = 1521558. Its totient is φ = 1121064.

The previous prime is 1307951. The next prime is 1307981. The reversal of 1307957 is 7597031.

It can be written as a sum of positive squares in only one way, i.e., 682276 + 625681 = 826^2 + 791^2 .

It is not a de Polignac number, because 1307957 - 2⁶ = 1307893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13298 + ... + 13395.

It is an arithmetic number, because the mean of its divisors is an integer number (253593).

2^1307957 is an apocalyptic number.

It is an amenable number.

1307957 is a deficient number, since it is larger than the sum of its proper divisors (213601).

1307957 is an equidigital number, since it uses as much as digits as its factorization.

1307957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26707 (or 26700 counting only the distinct ones).

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 1307957 is about 1143.6594772921. The cubic root of 1307957 is about 109.3615076690.

The spelling of 1307957 in words is "one million, three hundred seven thousand, nine hundred fifty-seven".