12754765969 has 9 divisors (see below), whose sum is σ = 14021067081. Its totient is φ = 11594112420.

The previous prime is 12754765927. The next prime is 12754765981. The reversal of 12754765969 is 96956745721.

The square root of 12754765969 is 112937.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 12754765969 - 2¹³ = 12754757777 is a prime.

It is a super-2 number, since 2×12754765969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12754765469) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1237174 + ... + 1247440.

Almost surely, 2^12754765969 is an apocalyptic number.

12754765969 is the 112937-th square number.

12754765969 is the 56469-th centered octagonal number.

It is an amenable number.

12754765969 is a deficient number, since it is larger than the sum of its proper divisors (1266301112).

12754765969 is an frugal number, since it uses more digits than its factorization.

12754765969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20556 (or 10278 counting only the distinct ones).

The product of its digits is 28576800, while the sum is 61.

The spelling of 12754765969 in words is "twelve billion, seven hundred fifty-four million, seven hundred sixty-five thousand, nine hundred sixty-nine".