1213475 has 6 divisors (see below), whose sum is σ = 1504740. Its totient is φ = 970760.

The previous prime is 1213469. The next prime is 1213481. The reversal of 1213475 is 5743121.

It is an interprime number because it is at equal distance from previous prime (1213469) and next prime (1213481).

It is not a de Polignac number, because 1213475 - 2¹² = 1209379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1213475.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24245 + ... + 24294.

It is an arithmetic number, because the mean of its divisors is an integer number (250790).

2^1213475 is an apocalyptic number.

1213475 is a deficient number, since it is larger than the sum of its proper divisors (291265).

1213475 is an equidigital number, since it uses as much as digits as its factorization.

1213475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48549 (or 48544 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 1213475 is about 1101.5784130056. The cubic root of 1213475 is about 106.6621363093.

Adding to 1213475 its reverse (5743121), we get a palindrome (6956596).

The spelling of 1213475 in words is "one million, two hundred thirteen thousand, four hundred seventy-five".