1315946 has 4 divisors (see below), whose sum is σ = 1973922. Its totient is φ = 657972.

The previous prime is 1315943. The next prime is 1315949. The reversal of 1315946 is 6495131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1315943) and next prime (1315949).

It can be written as a sum of positive squares in only one way, i.e., 790321 + 525625 = 889^2 + 725^2 .

It is not an unprimeable number, because it can be changed into a prime (1315943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328985 + ... + 328988.

2^1315946 is an apocalyptic number.

1315946 is a deficient number, since it is larger than the sum of its proper divisors (657976).

1315946 is an equidigital number, since it uses as much as digits as its factorization.

1315946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657975.

The product of its digits is 3240, while the sum is 29.

The square root of 1315946 is about 1147.1468955631. The cubic root of 1315946 is about 109.5837158572.

The spelling of 1315946 in words is "one million, three hundred fifteen thousand, nine hundred forty-six".