19760965 has 12 divisors (see below), whose sum is σ = 27585036. Its totient is φ = 13550208.

The previous prime is 19760959. The next prime is 19760971. The reversal of 19760965 is 56906791.

It is an interprime number because it is at equal distance from previous prime (19760959) and next prime (19760971).

It can be written as a sum of positive squares in 2 ways, for example, as 15752961 + 4008004 = 3969^2 + 2002^2 .

It is not a de Polignac number, because 19760965 - 2⁹ = 19760453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40084 + ... + 40573.

It is an arithmetic number, because the mean of its divisors is an integer number (2298753).

Almost surely, 2^19760965 is an apocalyptic number.

It is an amenable number.

19760965 is a deficient number, since it is larger than the sum of its proper divisors (7824071).

19760965 is an equidigital number, since it uses as much as digits as its factorization.

19760965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80676 (or 80669 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 19760965 is about 4445.3306963599. The cubic root of 19760965 is about 270.3560232524.

It can be divided in two parts, 19760 and 965, that multiplied together give a triangular number (19068400 = T₆₁₇₅).

The spelling of 19760965 in words is "nineteen million, seven hundred sixty thousand, nine hundred sixty-five".