7912961 has 12 divisors (see below), whose sum is σ = 9269568. Its totient is φ = 6734952.

The previous prime is 7912951. The next prime is 7912991. The reversal of 7912961 is 1692197.

It is not a de Polignac number, because 7912961 - 2¹⁸ = 7650817 is a prime.

It is a super-2 number, since 2×7912961² = 125229903575042, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7912951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7700 + ... + 8666.

It is an arithmetic number, because the mean of its divisors is an integer number (772464).

Almost surely, 2^7912961 is an apocalyptic number.

It is an amenable number.

7912961 is a deficient number, since it is larger than the sum of its proper divisors (1356607).

7912961 is a wasteful number, since it uses less digits than its factorization.

7912961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1141 counting only the distinct ones).

The product of its digits is 6804, while the sum is 35.

The square root of 7912961 is about 2812.9985780302. The cubic root of 7912961 is about 199.2720285024.

The spelling of 7912961 in words is "seven million, nine hundred twelve thousand, nine hundred sixty-one".