1310890 has 32 divisors (see below), whose sum is σ = 2749824. Its totient is φ = 440640.

The previous prime is 1310851. The next prime is 1310891. The reversal of 1310890 is 980131.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (1310891) 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, 4117 + ... + 4423.

It is an arithmetic number, because the mean of its divisors is an integer number (85932).

2^1310890 is an apocalyptic number.

1310890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1310890 is an abundant number, since it is smaller than the sum of its proper divisors (1438934).

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

1310890 is a wasteful number, since it uses less digits than its factorization.

1310890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1310890 is about 1144.9410465172. The cubic root of 1310890 is about 109.4431917615.

The spelling of 1310890 in words is "one million, three hundred ten thousand, eight hundred ninety".