1313964 has 72 divisors (see below), whose sum is σ = 3734640. Its totient is φ = 387072.

The previous prime is 1313959. The next prime is 1313987. The reversal of 1313964 is 4693131.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11572 + ... + 11684.

It is an arithmetic number, because the mean of its divisors is an integer number (51870).

2^1313964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1867320).

1313964 is an abundant number, since it is smaller than the sum of its proper divisors (2420676).

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

1313964 is a wasteful number, since it uses less digits than its factorization.

1313964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 154 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 1313964 is about 1146.2826876473. The cubic root of 1313964 is about 109.5286720438.

It can be divided in two parts, 13139 and 64, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 1313964 in words is "one million, three hundred thirteen thousand, nine hundred sixty-four".