12893669 has 4 divisors (see below), whose sum is σ = 13056960. Its totient is φ = 12730380.

The previous prime is 12893659. The next prime is 12893677. The reversal of 12893669 is 96639821.

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 a de Polignac number, because none of the positive numbers 2^k-12893669 is a prime.

It is a super-2 number, since 2×12893669² = 332493400563122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12893659) 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, 81527 + ... + 81684.

It is an arithmetic number, because the mean of its divisors is an integer number (3264240).

Almost surely, 2^12893669 is an apocalyptic number.

It is an amenable number.

12893669 is a deficient number, since it is larger than the sum of its proper divisors (163291).

12893669 is an equidigital number, since it uses as much as digits as its factorization.

12893669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163290.

The product of its digits is 139968, while the sum is 44.

The square root of 12893669 is about 3590.7755429712. The cubic root of 12893669 is about 234.4906366027.

The spelling of 12893669 in words is "twelve million, eight hundred ninety-three thousand, six hundred sixty-nine".