7812963 has 8 divisors (see below), whose sum is σ = 11574800. Its totient is φ = 5208624.

The previous prime is 7812953. The next prime is 7812967. The reversal of 7812963 is 3692187.

It is not a de Polignac number, because 7812963 - 2⁴ = 7812947 is a prime.

It is a super-2 number, since 2×7812963² = 122084781678738, which contains 22 as substring.

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 (7812967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144658 + ... + 144711.

It is an arithmetic number, because the mean of its divisors is an integer number (1446850).

Almost surely, 2^7812963 is an apocalyptic number.

7812963 is a deficient number, since it is larger than the sum of its proper divisors (3761837).

7812963 is a wasteful number, since it uses less digits than its factorization.

7812963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289378 (or 289372 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 7812963 is about 2795.1677946055. The cubic root of 7812963 is about 198.4290512409.

It can be divided in two parts, 78 and 12963, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 7812963 in words is "seven million, eight hundred twelve thousand, nine hundred sixty-three".