1012347 has 12 divisors (see below), whose sum is σ = 1671280. Its totient is φ = 578448.

The previous prime is 1012321. The next prime is 1012369. The reversal of 1012347 is 7432101.

It is not a de Polignac number, because 1012347 - 2¹⁸ = 750203 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012307) 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, 7972 + ... + 8097.

2^1012347 is an apocalyptic number.

1012347 is a deficient number, since it is larger than the sum of its proper divisors (658933).

1012347 is a wasteful number, since it uses less digits than its factorization.

1012347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16082 (or 16079 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1012347 is about 1006.1545606913. The cubic root of 1012347 is about 100.4098843197.

Adding to 1012347 its reverse (7432101), we get a palindrome (8444448).

The spelling of 1012347 in words is "one million, twelve thousand, three hundred forty-seven".