12737669 has 4 divisors (see below), whose sum is σ = 14557344. Its totient is φ = 10917996.

The previous prime is 12737663. The next prime is 12737677. The reversal of 12737669 is 96673721.

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.

It is a cyclic number.

It is not a de Polignac number, because 12737669 - 2¹⁶ = 12672133 is a prime.

It is a super-2 number, since 2×12737669² = 324496423107122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12737663) 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, 909827 + ... + 909840.

It is an arithmetic number, because the mean of its divisors is an integer number (3639336).

Almost surely, 2^12737669 is an apocalyptic number.

It is an amenable number.

12737669 is a deficient number, since it is larger than the sum of its proper divisors (1819675).

12737669 is an equidigital number, since it uses as much as digits as its factorization.

12737669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819674.

The product of its digits is 95256, while the sum is 41.

The square root of 12737669 is about 3568.9871112124. The cubic root of 12737669 is about 233.5410990724.

The spelling of 12737669 in words is "twelve million, seven hundred thirty-seven thousand, six hundred sixty-nine".