1312950 has 24 divisors (see below), whose sum is σ = 3256488. Its totient is φ = 350080.

The previous prime is 1312937. The next prime is 1312951. The reversal of 1312950 is 592131.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4227 + ... + 4526.

It is an arithmetic number, because the mean of its divisors is an integer number (135687).

2^1312950 is an apocalyptic number.

1312950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312950 is an abundant number, since it is smaller than the sum of its proper divisors (1943538).

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

1312950 is a wasteful number, since it uses less digits than its factorization.

1312950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8768 (or 8763 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1312950 is about 1145.8403030091. The cubic root of 1312950 is about 109.5004899793.

It can be divided in two parts, 131 and 2950, that added together give a triangular number (3081 = T₇₈).

The spelling of 1312950 in words is "one million, three hundred twelve thousand, nine hundred fifty".