12653769 has 4 divisors (see below), whose sum is σ = 16871696. Its totient is φ = 8435844.

The previous prime is 12653761. The next prime is 12653777. The reversal of 12653769 is 96735621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96735621 = 3 ⋅32245207.

It is an interprime number because it is at equal distance from previous prime (12653761) and next prime (12653777).

It is not a de Polignac number, because 12653769 - 2³ = 12653761 is a prime.

It is a super-2 number, since 2×12653769² = 320235739810722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12653761) 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, 2108959 + ... + 2108964.

It is an arithmetic number, because the mean of its divisors is an integer number (4217924).

Almost surely, 2^12653769 is an apocalyptic number.

It is an amenable number.

12653769 is a deficient number, since it is larger than the sum of its proper divisors (4217927).

12653769 is an equidigital number, since it uses as much as digits as its factorization.

12653769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217926.

The product of its digits is 68040, while the sum is 39.

The square root of 12653769 is about 3557.2136567825. The cubic root of 12653769 is about 233.0272092105.

The spelling of 12653769 in words is "twelve million, six hundred fifty-three thousand, seven hundred sixty-nine".