1264847 has 4 divisors (see below), whose sum is σ = 1276776. Its totient is φ = 1252920.

The previous prime is 1264829. The next prime is 1264853. The reversal of 1264847 is 7484621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7484621 = 197 ⋅37993.

It is a cyclic number.

It is not a de Polignac number, because 1264847 - 2¹² = 1260751 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5804 + ... + 6017.

It is an arithmetic number, because the mean of its divisors is an integer number (319194).

2^1264847 is an apocalyptic number.

1264847 is a deficient number, since it is larger than the sum of its proper divisors (11929).

1264847 is a wasteful number, since it uses less digits than its factorization.

1264847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11928.

The product of its digits is 10752, while the sum is 32.

The square root of 1264847 is about 1124.6541690671. The cubic root of 1264847 is about 108.1465488810.

The spelling of 1264847 in words is "one million, two hundred sixty-four thousand, eight hundred forty-seven".