1313955 has 16 divisors (see below), whose sum is σ = 2336160. Its totient is φ = 700704.

The previous prime is 1313953. The next prime is 1313957. The reversal of 1313955 is 5593131.

It is an interprime number because it is at equal distance from previous prime (1313953) and next prime (1313957).

It is not a de Polignac number, because 1313955 - 2¹ = 1313953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1313953) 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, 4732 + ... + 5001.

It is an arithmetic number, because the mean of its divisors is an integer number (146010).

2^1313955 is an apocalyptic number.

1313955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1313955 is a deficient number, since it is larger than the sum of its proper divisors (1022205).

1313955 is an equidigital number, since it uses as much as digits as its factorization.

1313955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9747 (or 9741 counting only the distinct ones).

The product of its digits is 2025, while the sum is 27.

The square root of 1313955 is about 1146.2787619074. The cubic root of 1313955 is about 109.5284219710.

The spelling of 1313955 in words is "one million, three hundred thirteen thousand, nine hundred fifty-five".