1310649 has 16 divisors (see below), whose sum is σ = 1912320. Its totient is φ = 794880.

The previous prime is 1310633. The next prime is 1310657. The reversal of 1310649 is 9460131.

It is not a de Polignac number, because 1310649 - 2⁴ = 1310633 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1167 + ... + 1995.

It is an arithmetic number, because the mean of its divisors is an integer number (119520).

2^1310649 is an apocalyptic number.

It is an amenable number.

1310649 is a deficient number, since it is larger than the sum of its proper divisors (601671).

1310649 is a wasteful number, since it uses less digits than its factorization.

1310649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1310649 is about 1144.8357960861. The cubic root of 1310649 is about 109.4364845052.

The spelling of 1310649 in words is "one million, three hundred ten thousand, six hundred forty-nine".